/[pcre]/code/trunk/testdata/testoutput1
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Revision 746 - (hide annotations) (download)
Tue Nov 15 15:07:02 2011 UTC (19 months ago) by ph10
File size: 105050 byte(s) 
Caseless matching of backreferences with fixed length repetitions was broken.
1 ph10 450 /-- This set of tests is for features that are compatible with all versions of
2     Perl 5, in non-UTF-8 mode. --/
3    
4 nigel 41 /the quick brown fox/
5     the quick brown fox
6     0: the quick brown fox
7     The quick brown FOX
8     No match
9     What do you know about the quick brown fox?
10     0: the quick brown fox
11     What do you know about THE QUICK BROWN FOX?
12     No match
13    
14     /The quick brown fox/i
15     the quick brown fox
16     0: the quick brown fox
17     The quick brown FOX
18     0: The quick brown FOX
19     What do you know about the quick brown fox?
20     0: the quick brown fox
21     What do you know about THE QUICK BROWN FOX?
22     0: THE QUICK BROWN FOX
23    
24     /abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
25     abcd\t\n\r\f\a\e9;\$\\?caxyz
26     0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
27    
28     /a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
29     abxyzpqrrrabbxyyyypqAzz
30     0: abxyzpqrrrabbxyyyypqAzz
31     abxyzpqrrrabbxyyyypqAzz
32     0: abxyzpqrrrabbxyyyypqAzz
33     aabxyzpqrrrabbxyyyypqAzz
34     0: aabxyzpqrrrabbxyyyypqAzz
35     aaabxyzpqrrrabbxyyyypqAzz
36     0: aaabxyzpqrrrabbxyyyypqAzz
37     aaaabxyzpqrrrabbxyyyypqAzz
38     0: aaaabxyzpqrrrabbxyyyypqAzz
39     abcxyzpqrrrabbxyyyypqAzz
40     0: abcxyzpqrrrabbxyyyypqAzz
41     aabcxyzpqrrrabbxyyyypqAzz
42     0: aabcxyzpqrrrabbxyyyypqAzz
43     aaabcxyzpqrrrabbxyyyypAzz
44     0: aaabcxyzpqrrrabbxyyyypAzz
45     aaabcxyzpqrrrabbxyyyypqAzz
46     0: aaabcxyzpqrrrabbxyyyypqAzz
47     aaabcxyzpqrrrabbxyyyypqqAzz
48     0: aaabcxyzpqrrrabbxyyyypqqAzz
49     aaabcxyzpqrrrabbxyyyypqqqAzz
50     0: aaabcxyzpqrrrabbxyyyypqqqAzz
51     aaabcxyzpqrrrabbxyyyypqqqqAzz
52     0: aaabcxyzpqrrrabbxyyyypqqqqAzz
53     aaabcxyzpqrrrabbxyyyypqqqqqAzz
54     0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
55     aaabcxyzpqrrrabbxyyyypqqqqqqAzz
56     0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
57     aaaabcxyzpqrrrabbxyyyypqAzz
58     0: aaaabcxyzpqrrrabbxyyyypqAzz
59     abxyzzpqrrrabbxyyyypqAzz
60     0: abxyzzpqrrrabbxyyyypqAzz
61     aabxyzzzpqrrrabbxyyyypqAzz
62     0: aabxyzzzpqrrrabbxyyyypqAzz
63     aaabxyzzzzpqrrrabbxyyyypqAzz
64     0: aaabxyzzzzpqrrrabbxyyyypqAzz
65     aaaabxyzzzzpqrrrabbxyyyypqAzz
66     0: aaaabxyzzzzpqrrrabbxyyyypqAzz
67     abcxyzzpqrrrabbxyyyypqAzz
68     0: abcxyzzpqrrrabbxyyyypqAzz
69     aabcxyzzzpqrrrabbxyyyypqAzz
70     0: aabcxyzzzpqrrrabbxyyyypqAzz
71     aaabcxyzzzzpqrrrabbxyyyypqAzz
72     0: aaabcxyzzzzpqrrrabbxyyyypqAzz
73     aaaabcxyzzzzpqrrrabbxyyyypqAzz
74     0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
75     aaaabcxyzzzzpqrrrabbbxyyyypqAzz
76     0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
77     aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
78     0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
79     aaabcxyzpqrrrabbxyyyypABzz
80     0: aaabcxyzpqrrrabbxyyyypABzz
81     aaabcxyzpqrrrabbxyyyypABBzz
82     0: aaabcxyzpqrrrabbxyyyypABBzz
83     >>>aaabxyzpqrrrabbxyyyypqAzz
84     0: aaabxyzpqrrrabbxyyyypqAzz
85     >aaaabxyzpqrrrabbxyyyypqAzz
86     0: aaaabxyzpqrrrabbxyyyypqAzz
87     >>>>abcxyzpqrrrabbxyyyypqAzz
88     0: abcxyzpqrrrabbxyyyypqAzz
89     *** Failers
90     No match
91     abxyzpqrrabbxyyyypqAzz
92     No match
93     abxyzpqrrrrabbxyyyypqAzz
94     No match
95     abxyzpqrrrabxyyyypqAzz
96     No match
97     aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
98     No match
99     aaaabcxyzzzzpqrrrabbbxyyypqAzz
100     No match
101     aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
102     No match
103    
104     /^(abc){1,2}zz/
105     abczz
106     0: abczz
107     1: abc
108     abcabczz
109     0: abcabczz
110     1: abc
111     *** Failers
112     No match
113     zz
114     No match
115     abcabcabczz
116     No match
117     >>abczz
118     No match
119    
120     /^(b+?|a){1,2}?c/
121     bc
122     0: bc
123     1: b
124     bbc
125     0: bbc
126     1: b
127     bbbc
128     0: bbbc
129     1: bb
130     bac
131     0: bac
132     1: a
133     bbac
134     0: bbac
135     1: a
136     aac
137     0: aac
138     1: a
139     abbbbbbbbbbbc
140     0: abbbbbbbbbbbc
141     1: bbbbbbbbbbb
142     bbbbbbbbbbbac
143     0: bbbbbbbbbbbac
144     1: a
145     *** Failers
146     No match
147     aaac
148     No match
149     abbbbbbbbbbbac
150     No match
151    
152     /^(b+|a){1,2}c/
153     bc
154     0: bc
155     1: b
156     bbc
157     0: bbc
158     1: bb
159     bbbc
160     0: bbbc
161     1: bbb
162     bac
163     0: bac
164     1: a
165     bbac
166     0: bbac
167     1: a
168     aac
169     0: aac
170     1: a
171     abbbbbbbbbbbc
172     0: abbbbbbbbbbbc
173     1: bbbbbbbbbbb
174     bbbbbbbbbbbac
175     0: bbbbbbbbbbbac
176     1: a
177     *** Failers
178     No match
179     aaac
180     No match
181     abbbbbbbbbbbac
182     No match
183    
184     /^(b+|a){1,2}?bc/
185     bbc
186     0: bbc
187     1: b
188    
189     /^(b*|ba){1,2}?bc/
190     babc
191     0: babc
192     1: ba
193     bbabc
194     0: bbabc
195     1: ba
196     bababc
197     0: bababc
198     1: ba
199     *** Failers
200     No match
201     bababbc
202     No match
203     babababc
204     No match
205    
206     /^(ba|b*){1,2}?bc/
207     babc
208     0: babc
209     1: ba
210     bbabc
211     0: bbabc
212     1: ba
213     bababc
214     0: bababc
215     1: ba
216     *** Failers
217     No match
218     bababbc
219     No match
220     babababc
221     No match
222    
223     /^\ca\cA\c[\c{\c:/
224     \x01\x01\e;z
225     0: \x01\x01\x1b;z
226    
227     /^[ab\]cde]/
228     athing
229     0: a
230     bthing
231     0: b
232     ]thing
233     0: ]
234     cthing
235     0: c
236     dthing
237     0: d
238     ething
239     0: e
240     *** Failers
241     No match
242     fthing
243     No match
244     [thing
245     No match
246     \\thing
247     No match
248    
249     /^[]cde]/
250     ]thing
251     0: ]
252     cthing
253     0: c
254     dthing
255     0: d
256     ething
257     0: e
258     *** Failers
259     No match
260     athing
261     No match
262     fthing
263     No match
264    
265     /^[^ab\]cde]/
266     fthing
267     0: f
268     [thing
269     0: [
270     \\thing
271     0: \
272     *** Failers
273     0: *
274     athing
275     No match
276     bthing
277     No match
278     ]thing
279     No match
280     cthing
281     No match
282     dthing
283     No match
284     ething
285     No match
286    
287     /^[^]cde]/
288     athing
289     0: a
290     fthing
291     0: f
292     *** Failers
293     0: *
294     ]thing
295     No match
296     cthing
297     No match
298     dthing
299     No match
300     ething
301     No match
302    
303     /^\/
304    
305     0: \x81
306    
307     /^ÿ/
308     ÿ
309     0: \xff
310    
311     /^[0-9]+$/
312     0
313     0: 0
314     1
315     0: 1
316     2
317     0: 2
318     3
319     0: 3
320     4
321     0: 4
322     5
323     0: 5
324     6
325     0: 6
326     7
327     0: 7
328     8
329     0: 8
330     9
331     0: 9
332     10
333     0: 10
334     100
335     0: 100
336     *** Failers
337     No match
338     abc
339     No match
340    
341     /^.*nter/
342     enter
343     0: enter
344     inter
345     0: inter
346     uponter
347     0: uponter
348    
349     /^xxx[0-9]+$/
350     xxx0
351     0: xxx0
352     xxx1234
353     0: xxx1234
354     *** Failers
355     No match
356     xxx
357     No match
358    
359     /^.+[0-9][0-9][0-9]$/
360     x123
361     0: x123
362     xx123
363     0: xx123
364     123456
365     0: 123456
366     *** Failers
367     No match
368     123
369     No match
370     x1234
371     0: x1234
372    
373     /^.+?[0-9][0-9][0-9]$/
374     x123
375     0: x123
376     xx123
377     0: xx123
378     123456
379     0: 123456
380     *** Failers
381     No match
382     123
383     No match
384     x1234
385     0: x1234
386    
387     /^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
388     abc!pqr=apquxz.ixr.zzz.ac.uk
389     0: abc!pqr=apquxz.ixr.zzz.ac.uk
390     1: abc
391     2: pqr
392     *** Failers
393     No match
394     !pqr=apquxz.ixr.zzz.ac.uk
395     No match
396     abc!=apquxz.ixr.zzz.ac.uk
397     No match
398     abc!pqr=apquxz:ixr.zzz.ac.uk
399     No match
400     abc!pqr=apquxz.ixr.zzz.ac.ukk
401     No match
402    
403     /:/
404     Well, we need a colon: somewhere
405     0: :
406     *** Fail if we don't
407     No match
408    
409     /([\da-f:]+)$/i
410     0abc
411     0: 0abc
412     1: 0abc
413     abc
414     0: abc
415     1: abc
416     fed
417     0: fed
418     1: fed
419     E
420     0: E
421     1: E
422     ::
423     0: ::
424     1: ::
425     5f03:12C0::932e
426     0: 5f03:12C0::932e
427     1: 5f03:12C0::932e
428     fed def
429     0: def
430     1: def
431     Any old stuff
432     0: ff
433     1: ff
434     *** Failers
435     No match
436     0zzz
437     No match
438     gzzz
439     No match
440     fed\x20
441     No match
442     Any old rubbish
443     No match
444    
445     /^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
446     .1.2.3
447     0: .1.2.3
448     1: 1
449     2: 2
450     3: 3
451     A.12.123.0
452     0: A.12.123.0
453     1: 12
454     2: 123
455     3: 0
456     *** Failers
457     No match
458     .1.2.3333
459     No match
460     1.2.3
461     No match
462     1234.2.3
463     No match
464    
465     /^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
466     1 IN SOA non-sp1 non-sp2(
467     0: 1 IN SOA non-sp1 non-sp2(
468     1: 1
469     2: non-sp1
470     3: non-sp2
471     1 IN SOA non-sp1 non-sp2 (
472     0: 1 IN SOA non-sp1 non-sp2 (
473     1: 1
474     2: non-sp1
475     3: non-sp2
476     *** Failers
477     No match
478     1IN SOA non-sp1 non-sp2(
479     No match
480    
481     /^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
482     a.
483     0: a.
484     Z.
485     0: Z.
486     2.
487     0: 2.
488     ab-c.pq-r.
489     0: ab-c.pq-r.
490     1: .pq-r
491     sxk.zzz.ac.uk.
492     0: sxk.zzz.ac.uk.
493     1: .uk
494     x-.y-.
495     0: x-.y-.
496     1: .y-
497     *** Failers
498     No match
499     -abc.peq.
500     No match
501    
502     /^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
503     *.a
504     0: *.a
505     *.b0-a
506     0: *.b0-a
507     1: 0-a
508     *.c3-b.c
509     0: *.c3-b.c
510     1: 3-b
511     2: .c
512     *.c-a.b-c
513     0: *.c-a.b-c
514     1: -a
515     2: .b-c
516     3: -c
517     *** Failers
518     No match
519     *.0
520     No match
521     *.a-
522     No match
523     *.a-b.c-
524     No match
525     *.c-a.0-c
526     No match
527    
528     /^(?=ab(de))(abd)(e)/
529     abde
530     0: abde
531     1: de
532     2: abd
533     3: e
534    
535     /^(?!(ab)de|x)(abd)(f)/
536     abdf
537     0: abdf
538     1: <unset>
539     2: abd
540     3: f
541    
542     /^(?=(ab(cd)))(ab)/
543     abcd
544     0: ab
545     1: abcd
546     2: cd
547     3: ab
548    
549     /^[\da-f](\.[\da-f])*$/i
550     a.b.c.d
551     0: a.b.c.d
552     1: .d
553     A.B.C.D
554     0: A.B.C.D
555     1: .D
556     a.b.c.1.2.3.C
557     0: a.b.c.1.2.3.C
558     1: .C
559    
560     /^\".*\"\s*(;.*)?$/
561     \"1234\"
562     0: "1234"
563     \"abcd\" ;
564     0: "abcd" ;
565     1: ;
566     \"\" ; rhubarb
567     0: "" ; rhubarb
568     1: ; rhubarb
569     *** Failers
570     No match
571     \"1234\" : things
572     No match
573    
574     /^$/
575     \
576     0:
577     *** Failers
578     No match
579    
580     / ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
581     ab c
582     0: ab c
583     *** Failers
584     No match
585     abc
586     No match
587     ab cde
588     No match
589    
590     /(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
591     ab c
592     0: ab c
593     *** Failers
594     No match
595     abc
596     No match
597     ab cde
598     No match
599    
600     /^ a\ b[c ]d $/x
601     a bcd
602     0: a bcd
603     a b d
604     0: a b d
605     *** Failers
606     No match
607     abcd
608     No match
609     ab d
610     No match
611    
612     /^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
613     abcdefhijklm
614     0: abcdefhijklm
615     1: abc
616     2: bc
617     3: c
618     4: def
619     5: ef
620     6: f
621     7: hij
622     8: ij
623     9: j
624     10: klm
625     11: lm
626     12: m
627    
628     /^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
629     abcdefhijklm
630     0: abcdefhijklm
631     1: bc
632     2: c
633     3: ef
634     4: f
635     5: ij
636     6: j
637     7: lm
638     8: m
639    
640     /^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
641     a+ Z0+\x08\n\x1d\x12
642     0: a+ Z0+\x08\x0a\x1d\x12
643    
644     /^[.^$|()*+?{,}]+/
645     .^\$(*+)|{?,?}
646     0: .^$(*+)|{?,?}
647    
648     /^a*\w/
649     z
650     0: z
651     az
652     0: az
653     aaaz
654     0: aaaz
655     a
656     0: a
657     aa
658     0: aa
659     aaaa
660     0: aaaa
661     a+
662     0: a
663     aa+
664     0: aa
665    
666     /^a*?\w/
667     z
668     0: z
669     az
670     0: a
671     aaaz
672     0: a
673     a
674     0: a
675     aa
676     0: a
677     aaaa
678     0: a
679     a+
680     0: a
681     aa+
682     0: a
683    
684     /^a+\w/
685     az
686     0: az
687     aaaz
688     0: aaaz
689     aa
690     0: aa
691     aaaa
692     0: aaaa
693     aa+
694     0: aa
695    
696     /^a+?\w/
697     az
698     0: az
699     aaaz
700     0: aa
701     aa
702     0: aa
703     aaaa
704     0: aa
705     aa+
706     0: aa
707    
708     /^\d{8}\w{2,}/
709     1234567890
710     0: 1234567890
711     12345678ab
712     0: 12345678ab
713     12345678__
714     0: 12345678__
715     *** Failers
716     No match
717     1234567
718     No match
719    
720     /^[aeiou\d]{4,5}$/
721     uoie
722     0: uoie
723     1234
724     0: 1234
725     12345
726     0: 12345
727     aaaaa
728     0: aaaaa
729     *** Failers
730     No match
731     123456
732     No match
733    
734     /^[aeiou\d]{4,5}?/
735     uoie
736     0: uoie
737     1234
738     0: 1234
739     12345
740     0: 1234
741     aaaaa
742     0: aaaa
743     123456
744     0: 1234
745    
746     /\A(abc|def)=(\1){2,3}\Z/
747     abc=abcabc
748     0: abc=abcabc
749     1: abc
750     2: abc
751     def=defdefdef
752     0: def=defdefdef
753     1: def
754     2: def
755     *** Failers
756     No match
757     abc=defdef
758     No match
759    
760     /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/
761     abcdefghijkcda2
762     0: abcdefghijkcda2
763     1: a
764     2: b
765     3: c
766     4: d
767     5: e
768     6: f
769     7: g
770     8: h
771     9: i
772     10: j
773     11: k
774     12: cd
775     abcdefghijkkkkcda2
776     0: abcdefghijkkkkcda2
777     1: a
778     2: b
779     3: c
780     4: d
781     5: e
782     6: f
783     7: g
784     8: h
785     9: i
786     10: j
787     11: k
788     12: cd
789    
790     /(cat(a(ract|tonic)|erpillar)) \1()2(3)/
791     cataract cataract23
792     0: cataract cataract23
793     1: cataract
794     2: aract
795     3: ract
796     4:
797     5: 3
798     catatonic catatonic23
799     0: catatonic catatonic23
800     1: catatonic
801     2: atonic
802     3: tonic
803     4:
804     5: 3
805     caterpillar caterpillar23
806     0: caterpillar caterpillar23
807     1: caterpillar
808     2: erpillar
809     3: <unset>
810     4:
811     5: 3
812    
813    
814     /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
815     From abcd Mon Sep 01 12:33:02 1997
816     0: From abcd Mon Sep 01 12:33
817     1: abcd
818    
819     /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
820     From abcd Mon Sep 01 12:33:02 1997
821     0: From abcd Mon Sep 01 12:33
822     1: Sep
823     From abcd Mon Sep 1 12:33:02 1997
824     0: From abcd Mon Sep 1 12:33
825     1: Sep
826     *** Failers
827     No match
828     From abcd Sep 01 12:33:02 1997
829     No match
830    
831     /^12.34/s
832     12\n34
833     0: 12\x0a34
834     12\r34
835     0: 12\x0d34
836    
837     /\w+(?=\t)/
838     the quick brown\t fox
839     0: brown
840    
841     /foo(?!bar)(.*)/
842     foobar is foolish see?
843     0: foolish see?
844     1: lish see?
845    
846     /(?:(?!foo)...|^.{0,2})bar(.*)/
847     foobar crowbar etc
848     0: rowbar etc
849     1: etc
850     barrel
851     0: barrel
852     1: rel
853     2barrel
854     0: 2barrel
855     1: rel
856     A barrel
857     0: A barrel
858     1: rel
859    
860     /^(\D*)(?=\d)(?!123)/
861     abc456
862     0: abc
863     1: abc
864     *** Failers
865     No match
866     abc123
867     No match
868    
869     /^1234(?# test newlines
870     inside)/
871     1234
872     0: 1234
873    
874     /^1234 #comment in extended re
875     /x
876     1234
877     0: 1234
878    
879     /#rhubarb
880     abcd/x
881     abcd
882     0: abcd
883    
884     /^abcd#rhubarb/x
885     abcd
886     0: abcd
887    
888     /^(a)\1{2,3}(.)/
889     aaab
890     0: aaab
891     1: a
892     2: b
893     aaaab
894     0: aaaab
895     1: a
896     2: b
897     aaaaab
898     0: aaaaa
899     1: a
900     2: a
901     aaaaaab
902     0: aaaaa
903     1: a
904     2: a
905    
906     /(?!^)abc/
907     the abc
908     0: abc
909     *** Failers
910     No match
911     abc
912     No match
913    
914     /(?=^)abc/
915     abc
916     0: abc
917     *** Failers
918     No match
919     the abc
920     No match
921    
922     /^[ab]{1,3}(ab*|b)/
923     aabbbbb
924     0: aabb
925     1: b
926    
927     /^[ab]{1,3}?(ab*|b)/
928     aabbbbb
929     0: aabbbbb
930     1: abbbbb
931    
932     /^[ab]{1,3}?(ab*?|b)/
933     aabbbbb
934     0: aa
935     1: a
936    
937     /^[ab]{1,3}(ab*?|b)/
938     aabbbbb
939     0: aabb
940     1: b
941    
942     / (?: [\040\t] | \(
943     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
944     \) )* # optional leading comment
945     (?: (?:
946     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
947     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
948     |
949     " (?: # opening quote...
950     [^\\\x80-\xff\n\015"] # Anything except backslash and quote
951     | # or
952     \\ [^\x80-\xff] # Escaped something (something != CR)
953     )* " # closing quote
954     ) # initial word
955     (?: (?: [\040\t] | \(
956     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
957     \) )* \. (?: [\040\t] | \(
958     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
959     \) )* (?:
960     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
961     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
962     |
963     " (?: # opening quote...
964     [^\\\x80-\xff\n\015"] # Anything except backslash and quote
965     | # or
966     \\ [^\x80-\xff] # Escaped something (something != CR)
967     )* " # closing quote
968     ) )* # further okay, if led by a period
969     (?: [\040\t] | \(
970     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
971     \) )* @ (?: [\040\t] | \(
972     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
973     \) )* (?:
974     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
975     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
976     | \[ # [
977     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
978     \] # ]
979     ) # initial subdomain
980     (?: #
981     (?: [\040\t] | \(
982     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
983     \) )* \. # if led by a period...
984     (?: [\040\t] | \(
985     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
986     \) )* (?:
987     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
988     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
989     | \[ # [
990     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
991     \] # ]
992     ) # ...further okay
993     )*
994     # address
995     | # or
996     (?:
997     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
998     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
999     |
1000     " (?: # opening quote...
1001     [^\\\x80-\xff\n\015"] # Anything except backslash and quote
1002     | # or
1003     \\ [^\x80-\xff] # Escaped something (something != CR)
1004     )* " # closing quote
1005     ) # one word, optionally followed by....
1006     (?:
1007     [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or...
1008     \(
1009     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1010     \) | # comments, or...
1011    
1012     " (?: # opening quote...
1013     [^\\\x80-\xff\n\015"] # Anything except backslash and quote
1014     | # or
1015     \\ [^\x80-\xff] # Escaped something (something != CR)
1016     )* " # closing quote
1017     # quoted strings
1018     )*
1019     < (?: [\040\t] | \(
1020     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1021     \) )* # leading <
1022     (?: @ (?: [\040\t] | \(
1023     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1024     \) )* (?:
1025     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1026     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1027     | \[ # [
1028     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1029     \] # ]
1030     ) # initial subdomain
1031     (?: #
1032     (?: [\040\t] | \(
1033     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1034     \) )* \. # if led by a period...
1035     (?: [\040\t] | \(
1036     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1037     \) )* (?:
1038     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1039     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1040     | \[ # [
1041     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1042     \] # ]
1043     ) # ...further okay
1044     )*
1045    
1046     (?: (?: [\040\t] | \(
1047     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1048     \) )* , (?: [\040\t] | \(
1049     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1050     \) )* @ (?: [\040\t] | \(
1051     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1052     \) )* (?:
1053     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1054     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1055     | \[ # [
1056     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1057     \] # ]
1058     ) # initial subdomain
1059     (?: #
1060     (?: [\040\t] | \(
1061     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1062     \) )* \. # if led by a period...
1063     (?: [\040\t] | \(
1064     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1065     \) )* (?:
1066     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1067     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1068     | \[ # [
1069     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1070     \] # ]
1071     ) # ...further okay
1072     )*
1073     )* # further okay, if led by comma
1074     : # closing colon
1075     (?: [\040\t] | \(
1076     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1077     \) )* )? # optional route
1078     (?:
1079     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1080     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1081     |
1082     " (?: # opening quote...
1083     [^\\\x80-\xff\n\015"] # Anything except backslash and quote
1084     | # or
1085     \\ [^\x80-\xff] # Escaped something (something != CR)
1086     )* " # closing quote
1087     ) # initial word
1088     (?: (?: [\040\t] | \(
1089     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1090     \) )* \. (?: [\040\t] | \(
1091     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1092     \) )* (?:
1093     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1094     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1095     |
1096     " (?: # opening quote...
1097     [^\\\x80-\xff\n\015"] # Anything except backslash and quote
1098     | # or
1099     \\ [^\x80-\xff] # Escaped something (something != CR)
1100     )* " # closing quote
1101     ) )* # further okay, if led by a period
1102     (?: [\040\t] | \(
1103     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1104     \) )* @ (?: [\040\t] | \(
1105     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1106     \) )* (?:
1107     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1108     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1109     | \[ # [
1110     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1111     \] # ]
1112     ) # initial subdomain
1113     (?: #
1114     (?: [\040\t] | \(
1115     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1116     \) )* \. # if led by a period...
1117     (?: [\040\t] | \(
1118     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1119     \) )* (?:
1120     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1121     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1122     | \[ # [
1123     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1124     \] # ]
1125     ) # ...further okay
1126     )*
1127     # address spec
1128     (?: [\040\t] | \(
1129     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1130     \) )* > # trailing >
1131     # name and address
1132     ) (?: [\040\t] | \(
1133     (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
1134     \) )* # optional trailing comment
1135     /x
1136     Alan Other <user\@dom.ain>
1137     0: Alan Other <user@dom.ain>
1138     <user\@dom.ain>
1139     0: user@dom.ain
1140     user\@dom.ain
1141     0: user@dom.ain
1142     \"A. Other\" <user.1234\@dom.ain> (a comment)
1143     0: "A. Other" <user.1234@dom.ain> (a comment)
1144     A. Other <user.1234\@dom.ain> (a comment)
1145     0: Other <user.1234@dom.ain> (a comment)
1146     \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
1147     0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
1148     A missing angle <user\@some.where
1149     0: user@some.where
1150     *** Failers
1151     No match
1152     The quick brown fox
1153     No match
1154    
1155     /[\040\t]* # Nab whitespace.
1156     (?:
1157     \( # (
1158     [^\\\x80-\xff\n\015()] * # normal*
1159     (?: # (
1160     (?: \\ [^\x80-\xff] |
1161     \( # (
1162     [^\\\x80-\xff\n\015()] * # normal*
1163     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1164     \) # )
1165     ) # special
1166     [^\\\x80-\xff\n\015()] * # normal*
1167     )* # )*
1168     \) # )
1169     [\040\t]* )* # If comment found, allow more spaces.
1170     # optional leading comment
1171     (?:
1172     (?:
1173     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1174     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1175     # Atom
1176     | # or
1177     " # "
1178     [^\\\x80-\xff\n\015"] * # normal
1179     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1180     " # "
1181     # Quoted string
1182     )
1183     [\040\t]* # Nab whitespace.
1184     (?:
1185     \( # (
1186     [^\\\x80-\xff\n\015()] * # normal*
1187     (?: # (
1188     (?: \\ [^\x80-\xff] |
1189     \( # (
1190     [^\\\x80-\xff\n\015()] * # normal*
1191     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1192     \) # )
1193     ) # special
1194     [^\\\x80-\xff\n\015()] * # normal*
1195     )* # )*
1196     \) # )
1197     [\040\t]* )* # If comment found, allow more spaces.
1198     (?:
1199     \.
1200     [\040\t]* # Nab whitespace.
1201     (?:
1202     \( # (
1203     [^\\\x80-\xff\n\015()] * # normal*
1204     (?: # (
1205     (?: \\ [^\x80-\xff] |
1206     \( # (
1207     [^\\\x80-\xff\n\015()] * # normal*
1208     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1209     \) # )
1210     ) # special
1211     [^\\\x80-\xff\n\015()] * # normal*
1212     )* # )*
1213     \) # )
1214     [\040\t]* )* # If comment found, allow more spaces.
1215     (?:
1216     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1217     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1218     # Atom
1219     | # or
1220     " # "
1221     [^\\\x80-\xff\n\015"] * # normal
1222     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1223     " # "
1224     # Quoted string
1225     )
1226     [\040\t]* # Nab whitespace.
1227     (?:
1228     \( # (
1229     [^\\\x80-\xff\n\015()] * # normal*
1230     (?: # (
1231     (?: \\ [^\x80-\xff] |
1232     \( # (
1233     [^\\\x80-\xff\n\015()] * # normal*
1234     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1235     \) # )
1236     ) # special
1237     [^\\\x80-\xff\n\015()] * # normal*
1238     )* # )*
1239     \) # )
1240     [\040\t]* )* # If comment found, allow more spaces.
1241     # additional words
1242     )*
1243     @
1244     [\040\t]* # Nab whitespace.
1245     (?:
1246     \( # (
1247     [^\\\x80-\xff\n\015()] * # normal*
1248     (?: # (
1249     (?: \\ [^\x80-\xff] |
1250     \( # (
1251     [^\\\x80-\xff\n\015()] * # normal*
1252     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1253     \) # )
1254     ) # special
1255     [^\\\x80-\xff\n\015()] * # normal*
1256     )* # )*
1257     \) # )
1258     [\040\t]* )* # If comment found, allow more spaces.
1259     (?:
1260     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1261     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1262     |
1263     \[ # [
1264     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1265     \] # ]
1266     )
1267     [\040\t]* # Nab whitespace.
1268     (?:
1269     \( # (
1270     [^\\\x80-\xff\n\015()] * # normal*
1271     (?: # (
1272     (?: \\ [^\x80-\xff] |
1273     \( # (
1274     [^\\\x80-\xff\n\015()] * # normal*
1275     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1276     \) # )
1277     ) # special
1278     [^\\\x80-\xff\n\015()] * # normal*
1279     )* # )*
1280     \) # )
1281     [\040\t]* )* # If comment found, allow more spaces.
1282     # optional trailing comments
1283     (?:
1284     \.
1285     [\040\t]* # Nab whitespace.
1286     (?:
1287     \( # (
1288     [^\\\x80-\xff\n\015()] * # normal*
1289     (?: # (
1290     (?: \\ [^\x80-\xff] |
1291     \( # (
1292     [^\\\x80-\xff\n\015()] * # normal*
1293     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1294     \) # )
1295     ) # special
1296     [^\\\x80-\xff\n\015()] * # normal*
1297     )* # )*
1298     \) # )
1299     [\040\t]* )* # If comment found, allow more spaces.
1300     (?:
1301     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1302     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1303     |
1304     \[ # [
1305     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1306     \] # ]
1307     )
1308     [\040\t]* # Nab whitespace.
1309     (?:
1310     \( # (
1311     [^\\\x80-\xff\n\015()] * # normal*
1312     (?: # (
1313     (?: \\ [^\x80-\xff] |
1314     \( # (
1315     [^\\\x80-\xff\n\015()] * # normal*
1316     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1317     \) # )
1318     ) # special
1319     [^\\\x80-\xff\n\015()] * # normal*
1320     )* # )*
1321     \) # )
1322     [\040\t]* )* # If comment found, allow more spaces.
1323     # optional trailing comments
1324     )*
1325     # address
1326     | # or
1327     (?:
1328     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1329     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1330     # Atom
1331     | # or
1332     " # "
1333     [^\\\x80-\xff\n\015"] * # normal
1334     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1335     " # "
1336     # Quoted string
1337     )
1338     # leading word
1339     [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces
1340     (?:
1341     (?:
1342     \( # (
1343     [^\\\x80-\xff\n\015()] * # normal*
1344     (?: # (
1345     (?: \\ [^\x80-\xff] |
1346     \( # (
1347     [^\\\x80-\xff\n\015()] * # normal*
1348     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1349     \) # )
1350     ) # special
1351     [^\\\x80-\xff\n\015()] * # normal*
1352     )* # )*
1353     \) # )
1354     |
1355     " # "
1356     [^\\\x80-\xff\n\015"] * # normal
1357     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1358     " # "
1359     ) # "special" comment or quoted string
1360     [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal"
1361     )*
1362     <
1363     [\040\t]* # Nab whitespace.
1364     (?:
1365     \( # (
1366     [^\\\x80-\xff\n\015()] * # normal*
1367     (?: # (
1368     (?: \\ [^\x80-\xff] |
1369     \( # (
1370     [^\\\x80-\xff\n\015()] * # normal*
1371     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1372     \) # )
1373     ) # special
1374     [^\\\x80-\xff\n\015()] * # normal*
1375     )* # )*
1376     \) # )
1377     [\040\t]* )* # If comment found, allow more spaces.
1378     # <
1379     (?:
1380     @
1381     [\040\t]* # Nab whitespace.
1382     (?:
1383     \( # (
1384     [^\\\x80-\xff\n\015()] * # normal*
1385     (?: # (
1386     (?: \\ [^\x80-\xff] |
1387     \( # (
1388     [^\\\x80-\xff\n\015()] * # normal*
1389     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1390     \) # )
1391     ) # special
1392     [^\\\x80-\xff\n\015()] * # normal*
1393     )* # )*
1394     \) # )
1395     [\040\t]* )* # If comment found, allow more spaces.
1396     (?:
1397     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1398     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1399     |
1400     \[ # [
1401     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1402     \] # ]
1403     )
1404     [\040\t]* # Nab whitespace.
1405     (?:
1406     \( # (
1407     [^\\\x80-\xff\n\015()] * # normal*
1408     (?: # (
1409     (?: \\ [^\x80-\xff] |
1410     \( # (
1411     [^\\\x80-\xff\n\015()] * # normal*
1412     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1413     \) # )
1414     ) # special
1415     [^\\\x80-\xff\n\015()] * # normal*
1416     )* # )*
1417     \) # )
1418     [\040\t]* )* # If comment found, allow more spaces.
1419     # optional trailing comments
1420     (?:
1421     \.
1422     [\040\t]* # Nab whitespace.
1423     (?:
1424     \( # (
1425     [^\\\x80-\xff\n\015()] * # normal*
1426     (?: # (
1427     (?: \\ [^\x80-\xff] |
1428     \( # (
1429     [^\\\x80-\xff\n\015()] * # normal*
1430     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1431     \) # )
1432     ) # special
1433     [^\\\x80-\xff\n\015()] * # normal*
1434     )* # )*
1435     \) # )
1436     [\040\t]* )* # If comment found, allow more spaces.
1437     (?:
1438     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1439     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1440     |
1441     \[ # [
1442     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1443     \] # ]
1444     )
1445     [\040\t]* # Nab whitespace.
1446     (?:
1447     \( # (
1448     [^\\\x80-\xff\n\015()] * # normal*
1449     (?: # (
1450     (?: \\ [^\x80-\xff] |
1451     \( # (
1452     [^\\\x80-\xff\n\015()] * # normal*
1453     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1454     \) # )
1455     ) # special
1456     [^\\\x80-\xff\n\015()] * # normal*
1457     )* # )*
1458     \) # )
1459     [\040\t]* )* # If comment found, allow more spaces.
1460     # optional trailing comments
1461     )*
1462     (?: ,
1463     [\040\t]* # Nab whitespace.
1464     (?:
1465     \( # (
1466     [^\\\x80-\xff\n\015()] * # normal*
1467     (?: # (
1468     (?: \\ [^\x80-\xff] |
1469     \( # (
1470     [^\\\x80-\xff\n\015()] * # normal*
1471     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1472     \) # )
1473     ) # special
1474     [^\\\x80-\xff\n\015()] * # normal*
1475     )* # )*
1476     \) # )
1477     [\040\t]* )* # If comment found, allow more spaces.
1478     @
1479     [\040\t]* # Nab whitespace.
1480     (?:
1481     \( # (
1482     [^\\\x80-\xff\n\015()] * # normal*
1483     (?: # (
1484     (?: \\ [^\x80-\xff] |
1485     \( # (
1486     [^\\\x80-\xff\n\015()] * # normal*
1487     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1488     \) # )
1489     ) # special
1490     [^\\\x80-\xff\n\015()] * # normal*
1491     )* # )*
1492     \) # )
1493     [\040\t]* )* # If comment found, allow more spaces.
1494     (?:
1495     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1496     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1497     |
1498     \[ # [
1499     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1500     \] # ]
1501     )
1502     [\040\t]* # Nab whitespace.
1503     (?:
1504     \( # (
1505     [^\\\x80-\xff\n\015()] * # normal*
1506     (?: # (
1507     (?: \\ [^\x80-\xff] |
1508     \( # (
1509     [^\\\x80-\xff\n\015()] * # normal*
1510     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1511     \) # )
1512     ) # special
1513     [^\\\x80-\xff\n\015()] * # normal*
1514     )* # )*
1515     \) # )
1516     [\040\t]* )* # If comment found, allow more spaces.
1517     # optional trailing comments
1518     (?:
1519     \.
1520     [\040\t]* # Nab whitespace.
1521     (?:
1522     \( # (
1523     [^\\\x80-\xff\n\015()] * # normal*
1524     (?: # (
1525     (?: \\ [^\x80-\xff] |
1526     \( # (
1527     [^\\\x80-\xff\n\015()] * # normal*
1528     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1529     \) # )
1530     ) # special
1531     [^\\\x80-\xff\n\015()] * # normal*
1532     )* # )*
1533     \) # )
1534     [\040\t]* )* # If comment found, allow more spaces.
1535     (?:
1536     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1537     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1538     |
1539     \[ # [
1540     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1541     \] # ]
1542     )
1543     [\040\t]* # Nab whitespace.
1544     (?:
1545     \( # (
1546     [^\\\x80-\xff\n\015()] * # normal*
1547     (?: # (
1548     (?: \\ [^\x80-\xff] |
1549     \( # (
1550     [^\\\x80-\xff\n\015()] * # normal*
1551     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1552     \) # )
1553     ) # special
1554     [^\\\x80-\xff\n\015()] * # normal*
1555     )* # )*
1556     \) # )
1557     [\040\t]* )* # If comment found, allow more spaces.
1558     # optional trailing comments
1559     )*
1560     )* # additional domains
1561     :
1562     [\040\t]* # Nab whitespace.
1563     (?:
1564     \( # (
1565     [^\\\x80-\xff\n\015()] * # normal*
1566     (?: # (
1567     (?: \\ [^\x80-\xff] |
1568     \( # (
1569     [^\\\x80-\xff\n\015()] * # normal*
1570     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1571     \) # )
1572     ) # special
1573     [^\\\x80-\xff\n\015()] * # normal*
1574     )* # )*
1575     \) # )
1576     [\040\t]* )* # If comment found, allow more spaces.
1577     # optional trailing comments
1578     )? # optional route
1579     (?:
1580     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1581     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1582     # Atom
1583     | # or
1584     " # "
1585     [^\\\x80-\xff\n\015"] * # normal
1586     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1587     " # "
1588     # Quoted string
1589     )
1590     [\040\t]* # Nab whitespace.
1591     (?:
1592     \( # (
1593     [^\\\x80-\xff\n\015()] * # normal*
1594     (?: # (
1595     (?: \\ [^\x80-\xff] |
1596     \( # (
1597     [^\\\x80-\xff\n\015()] * # normal*
1598     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1599     \) # )
1600     ) # special
1601     [^\\\x80-\xff\n\015()] * # normal*
1602     )* # )*
1603     \) # )
1604     [\040\t]* )* # If comment found, allow more spaces.
1605     (?:
1606     \.
1607     [\040\t]* # Nab whitespace.
1608     (?:
1609     \( # (
1610     [^\\\x80-\xff\n\015()] * # normal*
1611     (?: # (
1612     (?: \\ [^\x80-\xff] |
1613     \( # (
1614     [^\\\x80-\xff\n\015()] * # normal*
1615     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1616     \) # )
1617     ) # special
1618     [^\\\x80-\xff\n\015()] * # normal*
1619     )* # )*
1620     \) # )
1621     [\040\t]* )* # If comment found, allow more spaces.
1622     (?:
1623     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1624     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1625     # Atom
1626     | # or
1627     " # "
1628     [^\\\x80-\xff\n\015"] * # normal
1629     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1630     " # "
1631     # Quoted string
1632     )
1633     [\040\t]* # Nab whitespace.
1634     (?:
1635     \( # (
1636     [^\\\x80-\xff\n\015()] * # normal*
1637     (?: # (
1638     (?: \\ [^\x80-\xff] |
1639     \( # (
1640     [^\\\x80-\xff\n\015()] * # normal*
1641     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1642     \) # )
1643     ) # special
1644     [^\\\x80-\xff\n\015()] * # normal*
1645     )* # )*
1646     \) # )
1647     [\040\t]* )* # If comment found, allow more spaces.
1648     # additional words
1649     )*
1650     @
1651     [\040\t]* # Nab whitespace.
1652     (?:
1653     \( # (
1654     [^\\\x80-\xff\n\015()] * # normal*
1655     (?: # (
1656     (?: \\ [^\x80-\xff] |
1657     \( # (
1658     [^\\\x80-\xff\n\015()] * # normal*
1659     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1660     \) # )
1661     ) # special
1662     [^\\\x80-\xff\n\015()] * # normal*
1663     )* # )*
1664     \) # )
1665     [\040\t]* )* # If comment found, allow more spaces.
1666     (?:
1667     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1668     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1669     |
1670     \[ # [
1671     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1672     \] # ]
1673     )
1674     [\040\t]* # Nab whitespace.
1675     (?:
1676     \( # (
1677     [^\\\x80-\xff\n\015()] * # normal*
1678     (?: # (
1679     (?: \\ [^\x80-\xff] |
1680     \( # (
1681     [^\\\x80-\xff\n\015()] * # normal*
1682     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1683     \) # )
1684     ) # special
1685     [^\\\x80-\xff\n\015()] * # normal*
1686     )* # )*
1687     \) # )
1688     [\040\t]* )* # If comment found, allow more spaces.
1689     # optional trailing comments
1690     (?:
1691     \.
1692     [\040\t]* # Nab whitespace.
1693     (?:
1694     \( # (
1695     [^\\\x80-\xff\n\015()] * # normal*
1696     (?: # (
1697     (?: \\ [^\x80-\xff] |
1698     \( # (
1699     [^\\\x80-\xff\n\015()] * # normal*
1700     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1701     \) # )
1702     ) # special
1703     [^\\\x80-\xff\n\015()] * # normal*
1704     )* # )*
1705     \) # )
1706     [\040\t]* )* # If comment found, allow more spaces.
1707     (?:
1708     [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1709     (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1710     |
1711     \[ # [
1712     (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1713     \] # ]
1714     )
1715     [\040\t]* # Nab whitespace.
1716     (?:
1717     \( # (
1718     [^\\\x80-\xff\n\015()] * # normal*
1719     (?: # (
1720     (?: \\ [^\x80-\xff] |
1721     \( # (
1722     [^\\\x80-\xff\n\015()] * # normal*
1723     (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1724     \) # )
1725     ) # special
1726     [^\\\x80-\xff\n\015()] * # normal*
1727     )* # )*
1728     \) # )
1729     [\040\t]* )* # If comment found, allow more spaces.
1730     # optional trailing comments
1731     )*
1732     # address spec
1733     > # >
1734     # name and address
1735     )
1736     /x
1737     Alan Other <user\@dom.ain>
1738     0: Alan Other <user@dom.ain>
1739     <user\@dom.ain>
1740     0: user@dom.ain
1741     user\@dom.ain
1742     0: user@dom.ain
1743     \"A. Other\" <user.1234\@dom.ain> (a comment)
1744     0: "A. Other" <user.1234@dom.ain>
1745     A. Other <user.1234\@dom.ain> (a comment)
1746     0: Other <user.1234@dom.ain>
1747     \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
1748     0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
1749     A missing angle <user\@some.where
1750     0: user@some.where
1751     *** Failers
1752     No match
1753     The quick brown fox
1754     No match
1755    
1756     /abc\0def\00pqr\000xyz\0000AB/
1757     abc\0def\00pqr\000xyz\0000AB
1758     0: abc\x00def\x00pqr\x00xyz\x000AB
1759     abc456 abc\0def\00pqr\000xyz\0000ABCDE
1760     0: abc\x00def\x00pqr\x00xyz\x000AB
1761    
1762     /abc\x0def\x00pqr\x000xyz\x0000AB/
1763     abc\x0def\x00pqr\x000xyz\x0000AB
1764     0: abc\x0def\x00pqr\x000xyz\x0000AB
1765     abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
1766     0: abc\x0def\x00pqr\x000xyz\x0000AB
1767    
1768     /^[\000-\037]/
1769     \0A
1770     0: \x00
1771     \01B
1772     0: \x01
1773     \037C
1774     0: \x1f
1775    
1776     /\0*/
1777     \0\0\0\0
1778     0: \x00\x00\x00\x00
1779    
1780     /A\x0{2,3}Z/
1781     The A\x0\x0Z
1782     0: A\x00\x00Z
1783     An A\0\x0\0Z
1784     0: A\x00\x00\x00Z
1785     *** Failers
1786     No match
1787     A\0Z
1788     No match
1789     A\0\x0\0\x0Z
1790     No match
1791    
1792     /^(cow|)\1(bell)/
1793     cowcowbell
1794     0: cowcowbell
1795     1: cow
1796     2: bell
1797     bell
1798     0: bell
1799     1:
1800     2: bell
1801     *** Failers
1802     No match
1803     cowbell
1804     No match
1805    
1806     /^\s/
1807     \040abc
1808     0:
1809     \x0cabc
1810     0: \x0c
1811     \nabc
1812     0: \x0a
1813     \rabc
1814     0: \x0d
1815     \tabc
1816     0: \x09
1817     *** Failers
1818     No match
1819     abc
1820     No match
1821    
1822     /^a b
1823 nigel 93 c/x
1824 nigel 41 abc
1825     0: abc
1826    
1827     /^(a|)\1*b/
1828     ab
1829     0: ab
1830     1: a
1831     aaaab
1832     0: aaaab
1833     1: a
1834     b
1835     0: b
1836     1:
1837     *** Failers
1838     No match
1839     acb
1840     No match
1841    
1842     /^(a|)\1+b/
1843     aab
1844     0: aab
1845     1: a
1846     aaaab
1847     0: aaaab
1848     1: a
1849     b
1850     0: b
1851     1:
1852     *** Failers
1853     No match
1854     ab
1855     No match
1856    
1857     /^(a|)\1?b/
1858     ab
1859     0: ab
1860     1: a
1861     aab
1862     0: aab
1863     1: a
1864     b
1865     0: b
1866     1:
1867     *** Failers
1868     No match
1869     acb
1870     No match
1871    
1872     /^(a|)\1{2}b/
1873     aaab
1874     0: aaab
1875     1: a
1876     b
1877     0: b
1878     1:
1879     *** Failers
1880     No match
1881     ab
1882     No match
1883     aab
1884     No match
1885     aaaab
1886     No match
1887    
1888     /^(a|)\1{2,3}b/
1889     aaab
1890     0: aaab
1891     1: a
1892     aaaab
1893     0: aaaab
1894     1: a
1895     b
1896     0: b
1897     1:
1898     *** Failers
1899     No match
1900     ab
1901     No match
1902     aab
1903     No match
1904     aaaaab
1905     No match
1906    
1907     /ab{1,3}bc/
1908     abbbbc
1909     0: abbbbc
1910     abbbc
1911     0: abbbc
1912     abbc
1913     0: abbc
1914     *** Failers
1915     No match
1916     abc
1917     No match
1918     abbbbbc
1919     No match
1920    
1921     /([^.]*)\.([^:]*):[T ]+(.*)/
1922     track1.title:TBlah blah blah
1923     0: track1.title:TBlah blah blah
1924     1: track1
1925     2: title
1926     3: Blah blah blah
1927    
1928     /([^.]*)\.([^:]*):[T ]+(.*)/i
1929     track1.title:TBlah blah blah
1930     0: track1.title:TBlah blah blah
1931     1: track1
1932     2: title
1933     3: Blah blah blah
1934    
1935     /([^.]*)\.([^:]*):[t ]+(.*)/i
1936     track1.title:TBlah blah blah
1937     0: track1.title:TBlah blah blah
1938     1: track1
1939     2: title
1940     3: Blah blah blah
1941    
1942     /^[W-c]+$/
1943     WXY_^abc
1944     0: WXY_^abc
1945 nigel 63 *** Failers
1946 nigel 41 No match
1947     wxy
1948     No match
1949    
1950     /^[W-c]+$/i
1951     WXY_^abc
1952     0: WXY_^abc
1953     wxy_^ABC
1954     0: wxy_^ABC
1955    
1956     /^[\x3f-\x5F]+$/i
1957     WXY_^abc
1958     0: WXY_^abc
1959     wxy_^ABC
1960     0: wxy_^ABC
1961    
1962     /^abc$/m
1963     abc
1964     0: abc
1965     qqq\nabc
1966     0: abc
1967     abc\nzzz
1968     0: abc
1969     qqq\nabc\nzzz
1970     0: abc
1971    
1972     /^abc$/
1973     abc
1974     0: abc
1975     *** Failers
1976     No match
1977     qqq\nabc
1978     No match
1979     abc\nzzz
1980     No match
1981     qqq\nabc\nzzz
1982     No match
1983    
1984     /\Aabc\Z/m
1985     abc
1986     0: abc
1987     abc\n
1988     0: abc
1989     *** Failers
1990     No match
1991     qqq\nabc
1992     No match
1993     abc\nzzz
1994     No match
1995     qqq\nabc\nzzz
1996     No match
1997    
1998     /\A(.)*\Z/s
1999     abc\ndef
2000     0: abc\x0adef
2001     1: f
2002    
2003     /\A(.)*\Z/m
2004     *** Failers
2005     0: *** Failers
2006     1: s
2007     abc\ndef
2008     No match
2009    
2010     /(?:b)|(?::+)/
2011     b::c
2012     0: b
2013     c::b
2014     0: ::
2015    
2016     /[-az]+/
2017     az-
2018     0: az-
2019     *** Failers
2020     0: a
2021     b
2022     No match
2023    
2024     /[az-]+/
2025     za-
2026     0: za-
2027     *** Failers
2028     0: a
2029     b
2030     No match
2031    
2032     /[a\-z]+/
2033     a-z
2034     0: a-z
2035     *** Failers
2036     0: a
2037     b
2038     No match
2039    
2040     /[a-z]+/
2041     abcdxyz
2042     0: abcdxyz
2043    
2044     /[\d-]+/
2045     12-34
2046     0: 12-34
2047     *** Failers
2048     No match
2049     aaa
2050     No match
2051    
2052     /[\d-z]+/
2053     12-34z
2054     0: 12-34z
2055     *** Failers
2056     No match
2057     aaa
2058     No match
2059    
2060     /\x5c/
2061     \\
2062     0: \
2063    
2064     /\x20Z/
2065     the Zoo
2066     0: Z
2067     *** Failers
2068     No match
2069     Zulu
2070     No match
2071    
2072     /(abc)\1/i
2073     abcabc
2074     0: abcabc
2075     1: abc
2076     ABCabc
2077     0: ABCabc
2078     1: ABC
2079     abcABC
2080     0: abcABC
2081     1: abc
2082    
2083     /ab{3cd/
2084     ab{3cd
2085     0: ab{3cd
2086    
2087     /ab{3,cd/
2088     ab{3,cd
2089     0: ab{3,cd
2090    
2091     /ab{3,4a}cd/
2092     ab{3,4a}cd
2093     0: ab{3,4a}cd
2094    
2095     /{4,5a}bc/
2096     {4,5a}bc
2097     0: {4,5a}bc
2098    
2099     /abc$/
2100     abc
2101     0: abc
2102     abc\n
2103     0: abc
2104     *** Failers
2105     No match
2106     abc\ndef
2107     No match
2108    
2109     /(abc)\123/
2110     abc\x53
2111     0: abcS
2112     1: abc
2113    
2114     /(abc)\223/
2115     abc\x93
2116     0: abc\x93
2117     1: abc
2118    
2119     /(abc)\323/
2120     abc\xd3
2121     0: abc\xd3
2122     1: abc
2123    
2124 nigel 91 /(abc)\100/
2125 nigel 41 abc\x40
2126     0: abc@
2127     1: abc
2128     abc\100
2129     0: abc@
2130     1: abc
2131    
2132 nigel 91 /(abc)\1000/
2133 nigel 41 abc\x400
2134     0: abc@0
2135     1: abc
2136     abc\x40\x30
2137     0: abc@0
2138     1: abc
2139     abc\1000
2140     0: abc@0
2141     1: abc
2142     abc\100\x30
2143     0: abc@0
2144     1: abc
2145     abc\100\060
2146     0: abc@0
2147     1: abc
2148     abc\100\60
2149     0: abc@0
2150     1: abc
2151    
2152     /abc\81/
2153     abc\081
2154     0: abc\x0081
2155     abc\0\x38\x31
2156     0: abc\x0081
2157    
2158     /abc\91/
2159     abc\091
2160     0: abc\x0091
2161     abc\0\x39\x31
2162     0: abc\x0091
2163    
2164     /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/
2165     abcdefghijkllS
2166     0: abcdefghijkllS
2167     1: a
2168     2: b
2169     3: c
2170     4: d
2171     5: e
2172     6: f
2173     7: g
2174     8: h
2175     9: i
2176     10: j
2177     11: k
2178     12: l
2179    
2180     /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
2181     abcdefghijk\12S
2182     0: abcdefghijk\x0aS
2183     1: a
2184     2: b
2185     3: c
2186     4: d
2187     5: e
2188     6: f
2189     7: g
2190     8: h
2191     9: i
2192     10: j
2193     11: k
2194    
2195 ph10 178 /ab\idef/
2196     abidef
2197     0: abidef
2198 nigel 41
2199     /a{0}bc/
2200     bc
2201     0: bc
2202    
2203     /(a|(bc)){0,0}?xyz/
2204     xyz
2205     0: xyz
2206    
2207     /abc[\10]de/
2208     abc\010de
2209     0: abc\x08de
2210    
2211     /abc[\1]de/
2212     abc\1de
2213     0: abc\x01de
2214    
2215     /(abc)[\1]de/
2216     abc\1de
2217     0: abc\x01de
2218     1: abc
2219    
2220 nigel 63 /(?s)a.b/
2221 nigel 41 a\nb
2222     0: a\x0ab
2223    
2224     /^([^a])([^\b])([^c]*)([^d]{3,4})/
2225     baNOTccccd
2226     0: baNOTcccc
2227     1: b
2228     2: a
2229     3: NOT
2230     4: cccc
2231     baNOTcccd
2232     0: baNOTccc
2233     1: b
2234     2: a
2235     3: NOT
2236     4: ccc
2237     baNOTccd
2238     0: baNOTcc
2239     1: b
2240     2: a
2241     3: NO
2242     4: Tcc
2243     bacccd
2244     0: baccc
2245     1: b
2246     2: a
2247     3:
2248     4: ccc
2249     *** Failers
2250     0: *** Failers
2251     1: *
2252     2: *
2253     3: * Fail
2254     4: ers
2255     anything
2256     No match
2257     b\bc
2258     No match
2259     baccd
2260     No match
2261    
2262     /[^a]/
2263     Abc
2264     0: A
2265    
2266     /[^a]/i
2267     Abc
2268     0: b
2269    
2270     /[^a]+/
2271     AAAaAbc
2272     0: AAA
2273    
2274     /[^a]+/i
2275     AAAaAbc
2276     0: bc
2277    
2278     /[^a]+/
2279     bbb\nccc
2280     0: bbb\x0accc
2281    
2282     /[^k]$/
2283     abc
2284     0: c
2285     *** Failers
2286     0: s
2287     abk
2288     No match
2289    
2290     /[^k]{2,3}$/
2291     abc
2292     0: abc
2293     kbc
2294     0: bc
2295     kabc
2296     0: abc
2297     *** Failers
2298     0: ers
2299     abk
2300     No match
2301     akb
2302     No match
2303     akk
2304     No match
2305    
2306     /^\d{8,}\@.+[^k]$/
2307     12345678\@a.b.c.d
2308     0: 12345678@a.b.c.d
2309     123456789\@x.y.z
2310     0: 123456789@x.y.z
2311     *** Failers
2312     No match
2313     12345678\@x.y.uk
2314     No match
2315     1234567\@a.b.c.d
2316     No match
2317    
2318     /(a)\1{8,}/
2319     aaaaaaaaa
2320     0: aaaaaaaaa
2321     1: a
2322     aaaaaaaaaa
2323     0: aaaaaaaaaa
2324     1: a
2325     *** Failers
2326     No match
2327     aaaaaaa
2328     No match
2329    
2330     /[^a]/
2331     aaaabcd
2332     0: b
2333     aaAabcd
2334     0: A
2335    
2336     /[^a]/i
2337     aaaabcd
2338     0: b
2339     aaAabcd
2340     0: b
2341    
2342     /[^az]/
2343     aaaabcd
2344     0: b
2345     aaAabcd
2346     0: A
2347    
2348     /[^az]/i
2349     aaaabcd
2350     0: b
2351     aaAabcd
2352     0: b
2353    
2354     /\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/
2355     \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377
2356     0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
2357    
2358     /P[^*]TAIRE[^*]{1,6}?LL/
2359     xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
2360     0: PSTAIREISLL
2361    
2362     /P[^*]TAIRE[^*]{1,}?LL/
2363     xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
2364     0: PSTAIREISLL
2365    
2366     /(\.\d\d[1-9]?)\d+/
2367     1.230003938
2368     0: .230003938
2369     1: .23
2370     1.875000282
2371     0: .875000282
2372     1: .875
2373     1.235
2374     0: .235
2375     1: .23
2376    
2377     /(\.\d\d((?=0)|\d(?=\d)))/
2378     1.230003938
2379     0: .23
2380     1: .23
2381     2:
2382     1.875000282
2383     0: .875
2384     1: .875
2385     2: 5
2386     *** Failers
2387     No match
2388     1.235
2389     No match
2390    
2391     /a(?)b/
2392     ab
2393     0: ab
2394    
2395     /\b(foo)\s+(\w+)/i
2396     Food is on the foo table
2397     0: foo table
2398     1: foo
2399     2: table
2400    
2401     /foo(.*)bar/
2402     The food is under the bar in the barn.
2403     0: food is under the bar in the bar
2404     1: d is under the bar in the
2405    
2406     /foo(.*?)bar/
2407     The food is under the bar in the barn.
2408     0: food is under the bar
2409     1: d is under the
2410    
2411     /(.*)(\d*)/
2412     I have 2 numbers: 53147
2413     0: I have 2 numbers: 53147
2414     1: I have 2 numbers: 53147
2415     2:
2416    
2417     /(.*)(\d+)/
2418     I have 2 numbers: 53147
2419     0: I have 2 numbers: 53147
2420     1: I have 2 numbers: 5314
2421     2: 7
2422    
2423     /(.*?)(\d*)/
2424     I have 2 numbers: 53147
2425     0:
2426     1:
2427     2:
2428    
2429     /(.*?)(\d+)/
2430     I have 2 numbers: 53147
2431     0: I have 2
2432     1: I have
2433     2: 2
2434    
2435     /(.*)(\d+)$/
2436     I have 2 numbers: 53147
2437     0: I have 2 numbers: 53147
2438     1: I have 2 numbers: 5314
2439     2: 7
2440    
2441     /(.*?)(\d+)$/
2442     I have 2 numbers: 53147
2443     0: I have 2 numbers: 53147
2444     1: I have 2 numbers:
2445     2: 53147
2446    
2447     /(.*)\b(\d+)$/
2448     I have 2 numbers: 53147
2449     0: I have 2 numbers: 53147
2450     1: I have 2 numbers:
2451     2: 53147
2452    
2453     /(.*\D)(\d+)$/
2454     I have 2 numbers: 53147
2455     0: I have 2 numbers: 53147
2456     1: I have 2 numbers:
2457     2: 53147
2458    
2459     /^\D*(?!123)/
2460     ABC123
2461     0: AB
2462    
2463     /^(\D*)(?=\d)(?!123)/
2464     ABC445
2465     0: ABC
2466     1: ABC
2467     *** Failers
2468     No match
2469     ABC123
2470     No match
2471    
2472     /^[W-]46]/
2473     W46]789
2474     0: W46]
2475     -46]789
2476     0: -46]
2477     *** Failers
2478     No match
2479     Wall
2480     No match
2481     Zebra
2482     No match
2483     42
2484     No match
2485     [abcd]
2486     No match
2487     ]abcd[
2488     No match
2489    
2490     /^[W-\]46]/
2491     W46]789
2492     0: W
2493     Wall
2494     0: W
2495     Zebra
2496     0: Z
2497     Xylophone
2498     0: X
2499     42
2500     0: 4
2501     [abcd]
2502     0: [
2503     ]abcd[
2504     0: ]
2505     \\backslash
2506     0: \
2507     *** Failers
2508     No match
2509     -46]789
2510     No match
2511     well
2512     No match
2513    
2514     /\d\d\/\d\d\/\d\d\d\d/
2515     01/01/2000
2516     0: 01/01/2000
2517    
2518     /word (?:[a-zA-Z0-9]+ ){0,10}otherword/
2519     word cat dog elephant mussel cow horse canary baboon snake shark otherword
2520     0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
2521     word cat dog elephant mussel cow horse canary baboon snake shark
2522     No match
2523    
2524     /word (?:[a-zA-Z0-9]+ ){0,300}otherword/
2525     word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
2526     No match
2527    
2528     /^(a){0,0}/
2529     bcd
2530     0:
2531     abc
2532     0:
2533     aab
2534     0:
2535    
2536     /^(a){0,1}/
2537     bcd
2538     0:
2539     abc
2540     0: a
2541     1: a
2542     aab
2543     0: a
2544     1: a
2545    
2546     /^(a){0,2}/
2547     bcd
2548     0:
2549     abc
2550     0: a
2551     1: a
2552     aab
2553     0: aa
2554     1: a
2555    
2556     /^(a){0,3}/
2557     bcd
2558     0:
2559     abc
2560     0: a
2561     1: a
2562     aab
2563     0: aa
2564     1: a
2565     aaa
2566     0: aaa
2567     1: a
2568    
2569     /^(a){0,}/
2570     bcd
2571     0:
2572     abc
2573     0: a
2574     1: a
2575     aab
2576     0: aa
2577     1: a
2578     aaa
2579     0: aaa
2580     1: a
2581     aaaaaaaa
2582     0: aaaaaaaa
2583     1: a
2584    
2585     /^(a){1,1}/
2586     bcd
2587     No match
2588     abc
2589     0: a
2590     1: a
2591     aab
2592     0: a
2593     1: a
2594    
2595     /^(a){1,2}/
2596     bcd
2597     No match
2598     abc
2599     0: a
2600     1: a
2601     aab
2602     0: aa
2603     1: a
2604    
2605     /^(a){1,3}/
2606     bcd
2607     No match
2608     abc
2609     0: a
2610     1: a
2611     aab
2612     0: aa
2613     1: a
2614     aaa
2615     0: aaa
2616     1: a
2617    
2618     /^(a){1,}/
2619     bcd
2620     No match
2621     abc
2622     0: a
2623     1: a
2624     aab
2625     0: aa
2626     1: a
2627     aaa
2628     0: aaa
2629     1: a
2630     aaaaaaaa
2631     0: aaaaaaaa
2632     1: a
2633    
2634     /.*\.gif/
2635     borfle\nbib.gif\nno
2636     0: bib.gif
2637    
2638     /.{0,}\.gif/
2639     borfle\nbib.gif\nno
2640     0: bib.gif
2641    
2642     /.*\.gif/m
2643     borfle\nbib.gif\nno
2644     0: bib.gif
2645    
2646     /.*\.gif/s
2647     borfle\nbib.gif\nno
2648     0: borfle\x0abib.gif
2649    
2650     /.*\.gif/ms
2651     borfle\nbib.gif\nno
2652     0: borfle\x0abib.gif
2653    
2654     /.*$/
2655     borfle\nbib.gif\nno
2656     0: no
2657    
2658     /.*$/m
2659     borfle\nbib.gif\nno
2660     0: borfle
2661    
2662     /.*$/s
2663     borfle\nbib.gif\nno
2664     0: borfle\x0abib.gif\x0ano
2665    
2666     /.*$/ms
2667     borfle\nbib.gif\nno
2668     0: borfle\x0abib.gif\x0ano
2669    
2670     /.*$/
2671     borfle\nbib.gif\nno\n
2672     0: no
2673    
2674     /.*$/m
2675     borfle\nbib.gif\nno\n
2676     0: borfle
2677    
2678     /.*$/s
2679     borfle\nbib.gif\nno\n
2680     0: borfle\x0abib.gif\x0ano\x0a
2681    
2682     /.*$/ms
2683     borfle\nbib.gif\nno\n
2684     0: borfle\x0abib.gif\x0ano\x0a
2685    
2686     /(.*X|^B)/
2687     abcde\n1234Xyz
2688     0: 1234X
2689     1: 1234X
2690     BarFoo
2691     0: B
2692     1: B
2693     *** Failers
2694     No match
2695     abcde\nBar
2696     No match
2697    
2698     /(.*X|^B)/m
2699     abcde\n1234Xyz
2700     0: 1234X
2701     1: 1234X
2702     BarFoo
2703     0: B
2704     1: B
2705     abcde\nBar
2706     0: B
2707     1: B
2708    
2709     /(.*X|^B)/s
2710     abcde\n1234Xyz
2711     0: abcde\x0a1234X
2712     1: abcde\x0a1234X
2713     BarFoo
2714     0: B
2715     1: B
2716     *** Failers
2717     No match
2718     abcde\nBar
2719     No match
2720    
2721     /(.*X|^B)/ms
2722     abcde\n1234Xyz
2723     0: abcde\x0a1234X
2724     1: abcde\x0a1234X
2725     BarFoo
2726     0: B
2727     1: B
2728     abcde\nBar
2729     0: B
2730     1: B
2731    
2732     /(?s)(.*X|^B)/
2733     abcde\n1234Xyz
2734     0: abcde\x0a1234X
2735     1: abcde\x0a1234X
2736     BarFoo
2737     0: B
2738     1: B
2739     *** Failers
2740     No match
2741     abcde\nBar
2742     No match
2743    
2744     /(?s:.*X|^B)/
2745     abcde\n1234Xyz
2746     0: abcde\x0a1234X
2747     BarFoo
2748     0: B
2749     *** Failers
2750     No match
2751     abcde\nBar
2752     No match
2753    
2754     /^.*B/
2755     **** Failers
2756     No match
2757     abc\nB
2758     No match
2759    
2760     /(?s)^.*B/
2761     abc\nB
2762     0: abc\x0aB
2763    
2764     /(?m)^.*B/
2765     abc\nB
2766     0: B
2767    
2768     /(?ms)^.*B/
2769     abc\nB
2770     0: abc\x0aB
2771    
2772     /(?ms)^B/
2773     abc\nB
2774     0: B
2775    
2776     /(?s)B$/
2777     B\n
2778     0: B
2779    
2780     /^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
2781     123456654321
2782     0: 123456654321
2783    
2784     /^\d\d\d\d\d\d\d\d\d\d\d\d/
2785     123456654321
2786     0: 123456654321
2787    
2788     /^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
2789     123456654321
2790     0: 123456654321
2791    
2792     /^[abc]{12}/
2793     abcabcabcabc
2794     0: abcabcabcabc
2795    
2796     /^[a-c]{12}/
2797     abcabcabcabc
2798     0: abcabcabcabc
2799    
2800     /^(a|b|c){12}/
2801     abcabcabcabc
2802     0: abcabcabcabc
2803     1: c
2804    
2805     /^[abcdefghijklmnopqrstuvwxy0123456789]/
2806     n
2807     0: n
2808     *** Failers
2809     No match
2810     z
2811     No match
2812    
2813     /abcde{0,0}/
2814     abcd
2815     0: abcd
2816     *** Failers
2817     No match
2818     abce
2819     No match
2820    
2821     /ab[cd]{0,0}e/
2822     abe
2823     0: abe
2824     *** Failers
2825     No match
2826     abcde
2827     No match
2828    
2829     /ab(c){0,0}d/
2830     abd
2831     0: abd
2832     *** Failers
2833     No match
2834     abcd
2835     No match
2836    
2837     /a(b*)/
2838     a
2839     0: a
2840     1:
2841     ab
2842     0: ab
2843     1: b
2844     abbbb
2845     0: abbbb
2846     1: bbbb
2847     *** Failers
2848     0: a
2849     1:
2850     bbbbb
2851     No match
2852    
2853     /ab\d{0}e/
2854     abe
2855     0: abe
2856     *** Failers
2857     No match
2858     ab1e
2859     No match
2860    
2861     /"([^\\"]+|\\.)*"/
2862     the \"quick\" brown fox
2863     0: "quick"
2864     1: quick
2865     \"the \\\"quick\\\" brown fox\"
2866     0: "the \"quick\" brown fox"
2867     1: brown fox
2868    
2869     /.*?/g+
2870     abc
2871     0:
2872     0+ abc
2873     0: a
2874     0+ bc
2875     0:
2876     0+ bc
2877     0: b
2878     0+ c
2879     0:
2880     0+ c
2881     0: c
2882     0+
2883     0:
2884     0+
2885    
2886     /\b/g+
2887     abc
2888     0:
2889     0+ abc
2890     0:
2891     0+
2892    
2893     /\b/+g
2894     abc
2895     0:
2896     0+ abc
2897     0:
2898     0+
2899    
2900     //g
2901     abc
2902     0:
2903     0:
2904     0:
2905     0:
2906    
2907 nigel 49 /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
2908     <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
2909     0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
2910     1: BGCOLOR='#DBE9E9'
2911     2: align=left valign=top
2912     3: 43.
2913     4: <a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)
2914     5:
2915     6:
2916     7: <unset>
2917     8: align=left valign=top
2918     9: Lega lstaff.com
2919     10: align=left valign=top
2920     11: CA - Statewide
2921 nigel 41
2922 nigel 49 /a[^a]b/
2923     acb
2924     0: acb
2925     a\nb
2926     0: a\x0ab
2927    
2928     /a.b/
2929     acb
2930     0: acb
2931     *** Failers
2932     No match
2933     a\nb
2934     No match
2935    
2936     /a[^a]b/s
2937     acb
2938     0: acb
2939     a\nb
2940     0: a\x0ab
2941    
2942     /a.b/s
2943     acb
2944     0: acb
2945     a\nb
2946     0: a\x0ab
2947    
2948 nigel 53 /^(b+?|a){1,2}?c/
2949     bac
2950     0: bac
2951     1: a
2952     bbac
2953     0: bbac
2954     1: a
2955     bbbac
2956     0: bbbac
2957     1: a
2958     bbbbac
2959     0: bbbbac
2960     1: a
2961     bbbbbac
2962     0: bbbbbac
2963     1: a
2964    
2965     /^(b+|a){1,2}?c/
2966     bac
2967     0: bac
2968     1: a
2969     bbac
2970     0: bbac
2971     1: a
2972     bbbac
2973     0: bbbac
2974     1: a
2975     bbbbac
2976     0: bbbbac
2977     1: a
2978     bbbbbac
2979     0: bbbbbac
2980     1: a
2981    
2982     /(?!\A)x/m
2983     x\nb\n
2984     No match
2985     a\bx\n
2986     0: x
2987    
2988     /\x0{ab}/
2989     \0{ab}
2990     0: \x00{ab}
2991    
2992 nigel 55 /(A|B)*?CD/
2993     CD
2994     0: CD
2995    
2996     /(A|B)*CD/
2997     CD
2998     0: CD
2999    
3000     /(AB)*?\1/
3001     ABABAB
3002     0: ABAB
3003     1: AB
3004    
3005     /(AB)*\1/
3006     ABABAB
3007     0: ABABAB
3008     1: AB
3009    
3010 nigel 63 /(?<!bar)foo/
3011     foo
3012     0: foo
3013     catfood
3014     0: foo
3015     arfootle
3016     0: foo
3017     rfoosh
3018     0: foo
3019     *** Failers
3020     No match
3021     barfoo
3022     No match
3023     towbarfoo
3024     No match
3025    
3026     /\w{3}(?<!bar)foo/
3027     catfood
3028     0: catfoo
3029     *** Failers
3030     No match
3031     foo
3032     No match
3033     barfoo
3034     No match
3035     towbarfoo
3036     No match
3037    
3038     /(?<=(foo)a)bar/
3039     fooabar
3040     0: bar
3041     1: foo
3042     *** Failers
3043     No match
3044     bar
3045     No match
3046     foobbar
3047     No match
3048    
3049     /\Aabc\z/m
3050     abc
3051     0: abc
3052     *** Failers
3053     No match
3054     abc\n
3055     No match
3056     qqq\nabc
3057     No match
3058     abc\nzzz
3059     No match
3060     qqq\nabc\nzzz
3061     No match
3062    
3063     "(?>.*/)foo"
3064     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
3065     No match
3066    
3067     "(?>.*/)foo"
3068     /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
3069     0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
3070    
3071     /(?>(\.\d\d[1-9]?))\d+/
3072     1.230003938
3073     0: .230003938
3074     1: .23
3075     1.875000282
3076     0: .875000282
3077     1: .875
3078     *** Failers
3079     No match
3080     1.235
3081     No match
3082    
3083     /^((?>\w+)|(?>\s+))*$/
3084     now is the time for all good men to come to the aid of the party
3085     0: now is the time for all good men to come to the aid of the party
3086     1: party
3087     *** Failers
3088     No match
3089     this is not a line with only words and spaces!
3090     No match
3091    
3092     /(\d+)(\w)/
3093     12345a
3094     0: 12345a
3095     1: 12345
3096     2: a
3097     12345+
3098     0: 12345
3099     1: 1234
3100     2: 5
3101    
3102     /((?>\d+))(\w)/
3103     12345a
3104     0: 12345a
3105     1: 12345
3106     2: a
3107     *** Failers
3108     No match
3109     12345+
3110     No match
3111    
3112     /(?>a+)b/
3113     aaab
3114     0: aaab
3115    
3116     /((?>a+)b)/
3117     aaab
3118     0: aaab
3119     1: aaab
3120    
3121     /(?>(a+))b/
3122     aaab
3123     0: aaab
3124     1: aaa
3125    
3126     /(?>b)+/
3127     aaabbbccc
3128     0: bbb
3129    
3130     /(?>a+|b+|c+)*c/
3131     aaabbbbccccd
3132     0: aaabbbbc
3133    
3134     /((?>[^()]+)|\([^()]*\))+/
3135     ((abc(ade)ufh()()x
3136     0: abc(ade)ufh()()x
3137     1: x
3138    
3139     /\(((?>[^()]+)|\([^()]+\))+\)/
3140     (abc)
3141     0: (abc)
3142     1: abc
3143     (abc(def)xyz)
3144     0: (abc(def)xyz)
3145     1: xyz
3146     *** Failers
3147     No match
3148     ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
3149     No match
3150    
3151     /a(?-i)b/i
3152     ab
3153     0: ab
3154     Ab
3155     0: Ab
3156     *** Failers
3157     No match
3158     aB
3159     No match
3160     AB
3161     No match
3162    
3163     /(a (?x)b c)d e/
3164     a bcd e
3165     0: a bcd e
3166     1: a bc
3167     *** Failers
3168     No match
3169     a b cd e
3170     No match
3171     abcd e
3172     No match
3173     a bcde
3174     No match
3175    
3176     /(a b(?x)c d (?-x)e f)/
3177     a bcde f
3178     0: a bcde f
3179     1: a bcde f
3180     *** Failers
3181     No match
3182     abcdef
3183     No match
3184    
3185     /(a(?i)b)c/
3186     abc
3187     0: abc
3188     1: ab
3189     aBc
3190     0: aBc
3191     1: aB
3192     *** Failers
3193     No match
3194     abC
3195     No match
3196     aBC
3197     No match
3198     Abc
3199     No match
3200     ABc
3201     No match
3202     ABC
3203     No match
3204     AbC
3205     No match
3206    
3207     /a(?i:b)c/
3208     abc
3209     0: abc
3210     aBc
3211     0: aBc
3212     *** Failers
3213     No match
3214     ABC
3215     No match
3216     abC
3217     No match
3218     aBC
3219     No match
3220    
3221     /a(?i:b)*c/
3222     aBc
3223     0: aBc
3224     aBBc
3225     0: aBBc
3226     *** Failers
3227     No match
3228     aBC
3229     No match
3230     aBBC
3231     No match
3232    
3233     /a(?=b(?i)c)\w\wd/
3234     abcd
3235     0: abcd
3236     abCd
3237     0: abCd
3238     *** Failers
3239     No match
3240     aBCd
3241     No match
3242     abcD
3243     No match
3244    
3245     /(?s-i:more.*than).*million/i
3246     more than million
3247     0: more than million
3248     more than MILLION
3249     0: more than MILLION
3250     more \n than Million
3251     0: more \x0a than Million
3252     *** Failers
3253     No match
3254     MORE THAN MILLION
3255     No match
3256     more \n than \n million
3257     No match
3258    
3259     /(?:(?s-i)more.*than).*million/i
3260     more than million
3261     0: more than million
3262     more than MILLION
3263     0: more than MILLION
3264     more \n than Million
3265     0: more \x0a than Million
3266     *** Failers
3267     No match
3268     MORE THAN MILLION
3269     No match
3270     more \n than \n million
3271     No match
3272    
3273     /(?>a(?i)b+)+c/
3274     abc
3275     0: abc
3276     aBbc
3277     0: aBbc
3278     aBBc
3279     0: aBBc
3280     *** Failers
3281     No match
3282     Abc
3283     No match
3284     abAb
3285     No match
3286     abbC
3287     No match
3288    
3289     /(?=a(?i)b)\w\wc/
3290     abc
3291     0: abc
3292     aBc
3293     0: aBc
3294     *** Failers
3295     No match
3296     Ab
3297     No match
3298     abC
3299     No match
3300     aBC
3301     No match
3302    
3303     /(?<=a(?i)b)(\w\w)c/
3304     abxxc
3305     0: xxc
3306     1: xx
3307     aBxxc
3308     0: xxc
3309     1: xx
3310     *** Failers
3311     No match
3312     Abxxc
3313     No match
3314     ABxxc
3315     No match
3316     abxxC
3317     No match
3318    
3319     /(?:(a)|b)(?(1)A|B)/
3320     aA
3321     0: aA
3322     1: a
3323     bB
3324     0: bB
3325     *** Failers
3326     No match
3327     aB
3328     No match
3329     bA
3330     No match
3331    
3332     /^(a)?(?(1)a|b)+$/
3333     aa
3334     0: aa
3335     1: a
3336     b
3337     0: b
3338     bb
3339     0: bb
3340     *** Failers
3341     No match
3342     ab
3343     No match
3344    
3345     /^(?(?=abc)\w{3}:|\d\d)$/
3346     abc:
3347     0: abc:
3348     12
3349     0: 12
3350     *** Failers
3351     No match
3352     123
3353     No match
3354     xyz
3355     No match
3356    
3357     /^(?(?!abc)\d\d|\w{3}:)$/
3358     abc:
3359     0: abc:
3360     12
3361     0: 12
3362     *** Failers
3363     No match
3364     123
3365     No match
3366     xyz
3367     No match
3368    
3369     /(?(?<=foo)bar|cat)/
3370     foobar
3371     0: bar
3372     cat
3373     0: cat
3374     fcat
3375     0: cat
3376     focat
3377     0: cat
3378     *** Failers
3379     No match
3380     foocat
3381     No match
3382    
3383     /(?(?<!foo)cat|bar)/
3384     foobar
3385     0: bar
3386     cat
3387     0: cat
3388     fcat
3389     0: cat
3390     focat
3391     0: cat
3392     *** Failers
3393     No match
3394     foocat
3395     No match
3396    
3397     /( \( )? [^()]+ (?(1) \) |) /x
3398     abcd
3399     0: abcd
3400     (abcd)
3401     0: (abcd)
3402     1: (
3403     the quick (abcd) fox
3404     0: the quick
3405     (abcd
3406     0: abcd
3407    
3408     /( \( )? [^()]+ (?(1) \) ) /x
3409     abcd
3410     0: abcd
3411     (abcd)
3412     0: (abcd)
3413     1: (
3414     the quick (abcd) fox
3415     0: the quick
3416     (abcd
3417     0: abcd
3418    
3419     /^(?(2)a|(1)(2))+$/
3420     12
3421     0: 12
3422     1: 1
3423     2: 2
3424     12a
3425     0: 12a
3426     1: 1
3427     2: 2
3428     12aa
3429     0: 12aa
3430     1: 1
3431     2: 2
3432     *** Failers
3433     No match
3434     1234
3435     No match
3436    
3437     /((?i)blah)\s+\1/
3438     blah blah
3439     0: blah blah
3440     1: blah
3441     BLAH BLAH
3442     0: BLAH BLAH
3443     1: BLAH
3444     Blah Blah
3445     0: Blah Blah
3446     1: Blah
3447     blaH blaH
3448     0: blaH blaH
3449     1: blaH
3450     *** Failers
3451     No match
3452     blah BLAH
3453     No match
3454     Blah blah
3455     No match
3456     blaH blah
3457     No match
3458    
3459     /((?i)blah)\s+(?i:\1)/
3460     blah blah
3461     0: blah blah
3462     1: blah
3463     BLAH BLAH
3464     0: BLAH BLAH
3465     1: BLAH
3466     Blah Blah
3467     0: Blah Blah
3468     1: Blah
3469     blaH blaH
3470     0: blaH blaH
3471     1: blaH
3472     blah BLAH
3473     0: blah BLAH
3474     1: blah
3475     Blah blah
3476     0: Blah blah
3477     1: Blah
3478     blaH blah
3479     0: blaH blah
3480     1: blaH
3481    
3482     /(?>a*)*/
3483     a
3484     0: a
3485     aa
3486     0: aa
3487     aaaa
3488     0: aaaa
3489    
3490     /(abc|)+/
3491     abc
3492     0: abc
3493     1:
3494     abcabc
3495     0: abcabc
3496     1:
3497     abcabcabc
3498     0: abcabcabc
3499     1:
3500     xyz
3501     0:
3502     1:
3503    
3504     /([a]*)*/
3505     a
3506     0: a
3507     1:
3508     aaaaa
3509     0: aaaaa
3510     1:
3511    
3512     /([ab]*)*/
3513     a
3514     0: a
3515     1:
3516     b
3517     0: b
3518     1:
3519     ababab
3520     0: ababab
3521     1:
3522     aaaabcde
3523     0: aaaab
3524     1:
3525     bbbb
3526     0: bbbb
3527     1:
3528    
3529     /([^a]*)*/
3530     b
3531     0: b
3532     1:
3533     bbbb
3534     0: bbbb
3535     1:
3536     aaa
3537     0:
3538     1:
3539    
3540     /([^ab]*)*/
3541     cccc
3542     0: cccc
3543     1:
3544     abab
3545     0:
3546     1:
3547    
3548     /([a]*?)*/
3549     a
3550     0:
3551     1:
3552     aaaa
3553     0:
3554     1:
3555    
3556     /([ab]*?)*/
3557     a
3558     0:
3559     1:
3560     b
3561     0:
3562     1:
3563     abab
3564     0:
3565     1:
3566     baba
3567     0:
3568     1:
3569    
3570     /([^a]*?)*/
3571     b
3572     0:
3573     1:
3574     bbbb
3575     0:
3576     1:
3577     aaa
3578     0:
3579     1:
3580    
3581     /([^ab]*?)*/
3582     c
3583     0:
3584     1:
3585     cccc
3586     0:
3587     1:
3588     baba
3589     0:
3590     1:
3591    
3592     /(?>a*)*/
3593     a
3594     0: a
3595     aaabcde
3596     0: aaa
3597    
3598     /((?>a*))*/
3599     aaaaa
3600     0: aaaaa
3601     1:
3602     aabbaa
3603     0: aa
3604     1:
3605    
3606     /((?>a*?))*/
3607     aaaaa
3608     0:
3609     1:
3610     aabbaa
3611     0:
3612     1:
3613    
3614     /(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
3615     12-sep-98
3616     0: 12-sep-98
3617     12-09-98
3618     0: 12-09-98
3619     *** Failers
3620     No match
3621     sep-12-98
3622     No match
3623    
3624     /(?<=(foo))bar\1/
3625     foobarfoo
3626     0: barfoo
3627     1: foo
3628     foobarfootling
3629     0: barfoo
3630     1: foo
3631     *** Failers
3632     No match
3633     foobar
3634     No match
3635     barfoo
3636     No match
3637    
3638     /(?i:saturday|sunday)/
3639     saturday
3640     0: saturday
3641     sunday
3642     0: sunday
3643     Saturday
3644     0: Saturday
3645     Sunday
3646     0: Sunday
3647     SATURDAY
3648     0: SATURDAY
3649     SUNDAY
3650     0: SUNDAY
3651     SunDay
3652     0: SunDay
3653    
3654     /(a(?i)bc|BB)x/
3655     abcx
3656     0: abcx
3657     1: abc
3658     aBCx
3659     0: aBCx
3660     1: aBC
3661     bbx
3662     0: bbx
3663     1: bb
3664     BBx
3665     0: BBx
3666     1: BB
3667     *** Failers
3668     No match
3669     abcX
3670     No match
3671     aBCX
3672     No match
3673     bbX
3674     No match
3675     BBX
3676     No match
3677    
3678     /^([ab](?i)[cd]|[ef])/
3679     ac
3680     0: ac
3681     1: ac
3682     aC
3683     0: aC
3684     1: aC
3685     bD
3686     0: bD
3687     1: bD
3688     elephant
3689     0: e
3690     1: e
3691     Europe
3692     0: E
3693     1: E
3694     frog
3695     0: f
3696     1: f
3697     France
3698     0: F
3699     1: F
3700     *** Failers
3701     No match
3702     Africa
3703     No match
3704    
3705     /^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
3706     ab
3707     0: ab
3708     1: ab
3709     aBd
3710     0: aBd
3711     1: aBd
3712     xy
3713     0: xy
3714     1: xy
3715     xY
3716     0: xY
3717     1: xY
3718     zebra
3719     0: z
3720     1: z
3721     Zambesi
3722     0: Z
3723     1: Z
3724     *** Failers
3725     No match
3726     aCD
3727     No match
3728     XY
3729     No match
3730    
3731     /(?<=foo\n)^bar/m
3732     foo\nbar
3733     0: bar
3734     *** Failers
3735     No match
3736     bar
3737     No match
3738     baz\nbar
3739     No match
3740    
3741     /(?<=(?<!foo)bar)baz/
3742     barbaz
3743     0: baz
3744     barbarbaz
3745     0: baz
3746     koobarbaz
3747     0: baz
3748     *** Failers
3749     No match
3750     baz
3751     No match
3752     foobarbaz
3753     No match
3754    
3755 ph10 488 /The cases of aaaa and aaaaaa are missed out below because Perl does things/
3756     /differently. We know that odd, and maybe incorrect, things happen with/
3757 nigel 63 No match
3758 ph10 488 /recursive references in Perl, as far as 5.11.3 - see some stuff in test #2./
3759 nigel 63 No match
3760    
3761     /^(a\1?){4}$/
3762     a
3763     No match
3764     aa
3765     No match
3766     aaa
3767     No match
3768     aaaaa
3769     0: aaaaa
3770     1: a
3771     aaaaaaa
3772     0: aaaaaaa
3773     1: a
3774     aaaaaaaa
3775     No match
3776     aaaaaaaaa
3777     No match
3778     aaaaaaaaaa
3779     0: aaaaaaaaaa
3780     1: aaaa
3781     aaaaaaaaaaa
3782     No match
3783     aaaaaaaaaaaa
3784     No match
3785     aaaaaaaaaaaaa
3786     No match
3787     aaaaaaaaaaaaaa
3788     No match
3789     aaaaaaaaaaaaaaa
3790     No match
3791     aaaaaaaaaaaaaaaa
3792     No match
3793    
3794     /^(a\1?)(a\1?)(a\2?)(a\3?)$/
3795     a
3796     No match
3797     aa
3798     No match
3799     aaa
3800     No match
3801     aaaa
3802     0: aaaa
3803     1: a
3804     2: a
3805     3: a
3806     4: a
3807     aaaaa
3808     0: aaaaa
3809     1: a
3810     2: aa
3811     3: a
3812     4: a
3813     aaaaaa
3814     0: aaaaaa
3815     1: a
3816     2: aa
3817     3: a
3818     4: aa
3819     aaaaaaa
3820     0: aaaaaaa
3821     1: a
3822     2: aa
3823     3: aaa
3824     4: a
3825     aaaaaaaa
3826     No match
3827     aaaaaaaaa
3828     No match
3829     aaaaaaaaaa
3830     0: aaaaaaaaaa
3831     1: a
3832     2: aa
3833     3: aaa
3834     4: aaaa
3835     aaaaaaaaaaa
3836     No match
3837     aaaaaaaaaaaa
3838     No match
3839     aaaaaaaaaaaaa
3840     No match
3841     aaaaaaaaaaaaaa
3842     No match
3843     aaaaaaaaaaaaaaa
3844     No match
3845     aaaaaaaaaaaaaaaa
3846     No match
3847    
3848     /The following tests are taken from the Perl 5.005 test suite; some of them/
3849     /are compatible with 5.004, but I'd rather not have to sort them out./
3850     No match
3851    
3852     /abc/
3853     abc
3854     0: abc
3855     xabcy
3856     0: abc
3857     ababc
3858     0: abc
3859     *** Failers
3860     No match
3861     xbc
3862     No match
3863     axc
3864     No match
3865     abx
3866     No match
3867    
3868     /ab*c/
3869     abc
3870     0: abc
3871    
3872     /ab*bc/
3873     abc
3874     0: abc
3875     abbc
3876     0: abbc
3877     abbbbc
3878     0: abbbbc
3879    
3880     /.{1}/
3881     abbbbc
3882     0: a
3883    
3884     /.{3,4}/
3885     abbbbc
3886     0: abbb
3887    
3888     /ab{0,}bc/
3889     abbbbc
3890     0: abbbbc
3891    
3892     /ab+bc/
3893     abbc
3894     0: abbc
3895     *** Failers
3896     No match
3897     abc
3898     No match
3899     abq
3900     No match
3901    
3902     /ab{1,}bc/
3903    
3904     /ab+bc/
3905     abbbbc
3906     0: abbbbc
3907    
3908     /ab{1,}bc/
3909     abbbbc
3910     0: abbbbc
3911    
3912     /ab{1,3}bc/
3913     abbbbc
3914     0: abbbbc
3915    
3916     /ab{3,4}bc/
3917     abbbbc
3918     0: abbbbc
3919    
3920     /ab{4,5}bc/
3921     *** Failers
3922     No match
3923     abq
3924     No match
3925     abbbbc
3926     No match
3927    
3928     /ab?bc/
3929     abbc
3930     0: abbc
3931     abc
3932     0: abc
3933    
3934     /ab{0,1}bc/
3935     abc
3936     0: abc
3937    
3938     /ab?bc/
3939    
3940     /ab?c/
3941     abc
3942     0: abc
3943    
3944     /ab{0,1}c/
3945     abc
3946     0: abc
3947    
3948     /^abc$/
3949     abc
3950     0: abc
3951     *** Failers
3952     No match
3953     abbbbc
3954     No match
3955     abcc
3956     No match
3957    
3958     /^abc/
3959     abcc
3960     0: abc
3961    
3962     /^abc$/
3963    
3964     /abc$/
3965     aabc
3966     0: abc
3967     *** Failers
3968     No match
3969     aabc
3970     0: abc
3971     aabcd
3972     No match
3973    
3974     /^/
3975     abc
3976     0:
3977    
3978     /$/
3979     abc
3980     0:
3981    
3982     /a.c/
3983     abc
3984     0: abc
3985     axc
3986     0: axc
3987    
3988     /a.*c/
3989     axyzc
3990     0: axyzc
3991    
3992     /a[bc]d/
3993     abd
3994     0: abd
3995     *** Failers
3996     No match
3997     axyzd
3998     No match
3999     abc
4000     No match
4001    
4002     /a[b-d]e/
4003     ace
4004     0: ace
4005    
4006     /a[b-d]/
4007     aac
4008     0: ac
4009    
4010     /a[-b]/
4011     a-
4012     0: a-
4013    
4014     /a[b-]/
4015     a-
4016     0: a-
4017    
4018     /a]/
4019     a]
4020     0: a]
4021    
4022     /a[]]b/
4023     a]b
4024     0: a]b
4025    
4026     /a[^bc]d/
4027     aed
4028     0: aed
4029     *** Failers
4030     No match
4031     abd
4032     No match
4033     abd
4034     No match
4035    
4036     /a[^-b]c/
4037     adc
4038     0: adc
4039    
4040     /a[^]b]c/
4041     adc
4042     0: adc
4043     *** Failers
4044     No match
4045     a-c
4046     0: a-c
4047     a]c
4048     No match
4049    
4050     /\ba\b/
4051     a-
4052     0: a
4053     -a
4054     0: a
4055     -a-
4056     0: a
4057    
4058     /\by\b/
4059     *** Failers
4060     No match
4061     xy
4062     No match
4063     yz
4064     No match
4065     xyz
4066     No match
4067    
4068     /\Ba\B/
4069     *** Failers
4070     0: a
4071     a-
4072     No match
4073     -a
4074     No match
4075     -a-
4076     No match
4077    
4078     /\By\b/
4079     xy
4080     0: y
4081    
4082     /\by\B/
4083     yz
4084     0: y
4085    
4086     /\By\B/
4087     xyz
4088     0: y
4089    
4090     /\w/
4091     a
4092     0: a
4093    
4094     /\W/
4095     -
4096     0: -
4097     *** Failers
4098     0: *
4099     -
4100     0: -
4101     a
4102     No match
4103    
4104     /a\sb/
4105     a b
4106     0: a b
4107    
4108     /a\Sb/
4109     a-b
4110     0: a-b
4111     *** Failers
4112     No match
4113     a-b
4114     0: a-b
4115     a b
4116     No match
4117    
4118     /\d/
4119     1
4120     0: 1
4121    
4122     /\D/
4123     -
4124     0: -
4125     *** Failers
4126     0: *
4127     -
4128     0: -
4129     1
4130     No match
4131    
4132     /[\w]/
4133     a
4134     0: a
4135    
4136     /[\W]/
4137     -
4138     0: -
4139     *** Failers
4140     0: *
4141     -
4142     0: -
4143     a
4144     No match
4145    
4146     /a[\s]b/
4147     a b
4148     0: a b
4149    
4150     /a[\S]b/
4151     a-b
4152     0: a-b
4153     *** Failers
4154     No match
4155     a-b
4156     0: a-b
4157     a b
4158     No match
4159    
4160     /[\d]/
4161     1
4162     0: 1
4163    
4164     /[\D]/
4165     -
4166     0: -
4167     *** Failers
4168     0: *
4169     -
4170     0: -
4171     1
4172     No match
4173    
4174     /ab|cd/
4175     abc
4176     0: ab
4177     abcd
4178     0: ab
4179    
4180     /()ef/
4181     def
4182     0: ef
4183     1:
4184    
4185     /$b/
4186    
4187     /a\(b/
4188     a(b
4189     0: a(b
4190    
4191     /a\(*b/
4192     ab
4193     0: ab
4194     a((b
4195     0: a((b
4196    
4197     /a\\b/
4198     a\b
4199     No match
4200    
4201     /((a))/
4202     abc
4203     0: a
4204     1: a
4205     2: a
4206    
4207     /(a)b(c)/
4208     abc
4209     0: abc
4210     1: a
4211     2: c
4212    
4213     /a+b+c/
4214     aabbabc
4215     0: abc
4216    
4217     /a{1,}b{1,}c/
4218     aabbabc
4219     0: abc
4220    
4221     /a.+?c/
4222     abcabc
4223     0: abc
4224    
4225     /(a+|b)*/
4226     ab
4227     0: ab
4228     1: b
4229    
4230     /(a+|b){0,}/
4231     ab
4232     0: ab
4233     1: b
4234    
4235     /(a+|b)+/
4236     ab
4237     0: ab
4238     1: b
4239    
4240     /(a+|b){1,}/
4241     ab
4242     0: ab
4243     1: b
4244    
4245     /(a+|b)?/
4246     ab
4247     0: a
4248     1: a
4249    
4250     /(a+|b){0,1}/
4251     ab
4252     0: a
4253     1: a
4254    
4255     /[^ab]*/
4256     cde
4257     0: cde
4258    
4259     /abc/
4260     *** Failers
4261     No match
4262     b
4263     No match
4264    
4265    
4266     /a*/
4267    
4268    
4269     /([abc])*d/
4270     abbbcd
4271     0: abbbcd
4272     1: c
4273    
4274     /([abc])*bcd/
4275     abcd
4276     0: abcd
4277     1: a
4278    
4279     /a|b|c|d|e/
4280     e
4281     0: e
4282    
4283     /(a|b|c|d|e)f/
4284     ef
4285     0: ef
4286     1: e
4287    
4288     /abcd*efg/
4289     abcdefg
4290     0: abcdefg
4291    
4292     /ab*/
4293     xabyabbbz
4294     0: ab
4295     xayabbbz
4296     0: a
4297    
4298     /(ab|cd)e/
4299     abcde
4300     0: cde
4301     1: cd
4302    
4303     /[abhgefdc]ij/
4304     hij
4305     0: hij
4306    
4307     /^(ab|cd)e/
4308    
4309     /(abc|)ef/
4310     abcdef
4311     0: ef
4312     1:
4313    
4314     /(a|b)c*d/
4315     abcd
4316     0: bcd
4317     1: b
4318    
4319     /(ab|ab*)bc/
4320     abc
4321     0: abc
4322     1: a
4323    
4324     /a([bc]*)c*/
4325     abc
4326     0: abc
4327     1: bc
4328    
4329     /a([bc]*)(c*d)/
4330     abcd
4331     0: abcd
4332     1: bc
4333     2: d
4334    
4335     /a([bc]+)(c*d)/
4336     abcd
4337     0: abcd
4338     1: bc
4339     2: d
4340    
4341     /a([bc]*)(c+d)/
4342     abcd
4343     0: abcd
4344     1: b
4345     2: cd
4346    
4347     /a[bcd]*dcdcde/
4348     adcdcde
4349     0: adcdcde
4350    
4351     /a[bcd]+dcdcde/
4352     *** Failers
4353     No match
4354     abcde
4355     No match
4356     adcdcde
4357     No match
4358    
4359     /(ab|a)b*c/
4360     abc
4361     0: abc
4362     1: ab
4363    
4364     /((a)(b)c)(d)/
4365     abcd
4366     0: abcd
4367     1: abc
4368     2: a
4369     3: b
4370     4: d
4371    
4372     /[a-zA-Z_][a-zA-Z0-9_]*/
4373     alpha
4374     0: alpha
4375    
4376     /^a(bc+|b[eh])g|.h$/
4377     abh
4378     0: bh
4379    
4380     /(bc+d$|ef*g.|h?i(j|k))/
4381     effgz
4382     0: effgz
4383     1: effgz
4384     ij
4385     0: ij
4386     1: ij
4387     2: j
4388     reffgz
4389     0: effgz
4390     1: effgz
4391     *** Failers
4392     No match
4393     effg
4394     No match
4395     bcdd
4396     No match
4397    
4398     /((((((((((a))))))))))/
4399     a
4400     0: a
4401     1: a
4402     2: a
4403     3: a
4404     4: a
4405     5: a
4406     6: a
4407     7: a
4408     8: a
4409     9: a
4410     10: a
4411    
4412     /((((((((((a))))))))))\10/
4413     aa
4414     0: aa
4415     1: a
4416     2: a
4417     3: a
4418     4: a
4419     5: a
4420     6: a
4421     7: a
4422     8: a
4423     9: a
4424     10: a
4425    
4426     /(((((((((a)))))))))/
4427     a
4428     0: a
4429     1: a
4430     2: a
4431     3: a
4432     4: a
4433     5: a
4434     6: a
4435     7: a
4436     8: a
4437     9: a
4438    
4439     /multiple words of text/
4440     *** Failers
4441     No match
4442     aa
4443     No match
4444     uh-uh
4445     No match
4446    
4447     /multiple words/
4448     multiple words, yeah
4449     0: multiple words
4450    
4451     /(.*)c(.*)/
4452     abcde
4453     0: abcde
4454     1: ab
4455     2: de
4456    
4457     /\((.*), (.*)\)/
4458     (a, b)
4459     0: (a, b)
4460     1: a
4461     2: b
4462    
4463     /[k]/
4464    
4465     /abcd/
4466     abcd
4467     0: abcd
4468    
4469     /a(bc)d/
4470     abcd
4471     0: abcd
4472     1: bc
4473    
4474     /a[-]?c/
4475     ac
4476     0: ac
4477    
4478     /(abc)\1/
4479     abcabc
4480     0: abcabc
4481     1: abc
4482    
4483     /([a-c]*)\1/
4484     abcabc
4485     0: abcabc
4486     1: abc
4487    
4488     /(a)|\1/
4489     a
4490     0: a
4491     1: a
4492     *** Failers
4493     0: a
4494     1: a
4495     ab
4496     0: a
4497     1: a
4498     x
4499     No match
4500    
4501     /(([a-c])b*?\2)*/
4502     ababbbcbc
4503     0: ababb
4504     1: bb
4505     2: b
4506    
4507     /(([a-c])b*?\2){3}/
4508     ababbbcbc
4509     0: ababbbcbc
4510     1: cbc
4511     2: c
4512    
4513     /((\3|b)\2(a)x)+/
4514     aaaxabaxbaaxbbax
4515     0: bbax
4516     1: bbax
4517     2: b
4518     3: a
4519    
4520     /((\3|b)\2(a)){2,}/
4521     bbaababbabaaaaabbaaaabba
4522     0: bbaaaabba
4523     1: bba
4524     2: b
4525     3: a
4526    
4527     /abc/i
4528     ABC
4529     0: ABC
4530     XABCY
4531     0: ABC
4532     ABABC
4533     0: ABC
4534     *** Failers
4535     No match
4536     aaxabxbaxbbx
4537     No match
4538     XBC
4539     No match
4540     AXC
4541     No match
4542     ABX
4543     No match
4544    
4545     /ab*c/i
4546     ABC
4547     0: ABC
4548    
4549     /ab*bc/i
4550     ABC
4551     0: ABC
4552     ABBC
4553     0: ABBC
4554    
4555     /ab*?bc/i
4556     ABBBBC
4557     0: ABBBBC
4558    
4559     /ab{0,}?bc/i
4560     ABBBBC
4561     0: ABBBBC
4562    
4563     /ab+?bc/i
4564     ABBC
4565     0: ABBC
4566    
4567     /ab+bc/i
4568     *** Failers
4569     No match
4570     ABC
4571     No match
4572     ABQ
4573     No match