/[pcre]/code/trunk/testdata/testoutput2
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Revision 61 - (hide annotations) (download)
Sat Feb 24 21:39:58 2007 UTC (7 years, 9 months ago) by nigel
File size: 44143 byte(s)
Load pcre-3.9 into code/trunk.

1 nigel 61 PCRE version 3.9 02-Jan-2002
2 nigel 41
3     /(a)b|/
4 nigel 43 Capturing subpattern count = 1
5 nigel 41 No options
6     No first char
7 nigel 43 No need char
8 nigel 41
9     /abc/
10 nigel 43 Capturing subpattern count = 0
11 nigel 41 No options
12     First char = 'a'
13 nigel 43 Need char = 'c'
14 nigel 41 abc
15     0: abc
16     defabc
17     0: abc
18     \Aabc
19     0: abc
20     *** Failers
21     No match
22     \Adefabc
23     No match
24     ABC
25     No match
26    
27     /^abc/
28 nigel 43 Capturing subpattern count = 0
29 nigel 41 Options: anchored
30     No first char
31 nigel 43 Need char = 'c'
32 nigel 41 abc
33     0: abc
34     \Aabc
35     0: abc
36     *** Failers
37     No match
38     defabc
39     No match
40     \Adefabc
41     No match
42    
43     /a+bc/
44 nigel 43 Capturing subpattern count = 0
45 nigel 41 No options
46     First char = 'a'
47 nigel 43 Need char = 'c'
48 nigel 41
49     /a*bc/
50 nigel 43 Capturing subpattern count = 0
51 nigel 41 No options
52     No first char
53 nigel 43 Need char = 'c'
54 nigel 41
55     /a{3}bc/
56 nigel 43 Capturing subpattern count = 0
57 nigel 41 No options
58     First char = 'a'
59 nigel 43 Need char = 'c'
60 nigel 41
61     /(abc|a+z)/
62 nigel 43 Capturing subpattern count = 1
63 nigel 41 No options
64     First char = 'a'
65 nigel 43 No need char
66 nigel 41
67     /^abc$/
68 nigel 43 Capturing subpattern count = 0
69 nigel 41 Options: anchored
70     No first char
71 nigel 43 Need char = 'c'
72 nigel 41 abc
73     0: abc
74     *** Failers
75     No match
76     def\nabc
77     No match
78    
79     /ab\gdef/X
80     Failed: unrecognized character follows \ at offset 3
81    
82     /(?X)ab\gdef/X
83     Failed: unrecognized character follows \ at offset 7
84    
85     /x{5,4}/
86     Failed: numbers out of order in {} quantifier at offset 5
87    
88     /z{65536}/
89     Failed: number too big in {} quantifier at offset 7
90    
91     /[abcd/
92     Failed: missing terminating ] for character class at offset 5
93    
94     /[\B]/
95     Failed: invalid escape sequence in character class at offset 2
96    
97     /[z-a]/
98     Failed: range out of order in character class at offset 3
99    
100     /^*/
101     Failed: nothing to repeat at offset 1
102    
103     /(abc/
104     Failed: missing ) at offset 4
105    
106     /(?# abc/
107     Failed: missing ) after comment at offset 7
108    
109     /(?z)abc/
110     Failed: unrecognized character after (? at offset 2
111    
112     /.*b/
113 nigel 43 Capturing subpattern count = 0
114 nigel 41 No options
115     First char at start or follows \n
116 nigel 43 Need char = 'b'
117 nigel 41
118     /.*?b/
119 nigel 43 Capturing subpattern count = 0
120 nigel 41 No options
121     First char at start or follows \n
122 nigel 43 Need char = 'b'
123 nigel 41
124     /cat|dog|elephant/
125 nigel 43 Capturing subpattern count = 0
126 nigel 41 No options
127     No first char
128 nigel 43 No need char
129 nigel 41 this sentence eventually mentions a cat
130     0: cat
131     this sentences rambles on and on for a while and then reaches elephant
132     0: elephant
133    
134     /cat|dog|elephant/S
135 nigel 43 Capturing subpattern count = 0
136 nigel 41 No options
137     No first char
138 nigel 43 No need char
139 nigel 41 Starting character set: c d e
140     this sentence eventually mentions a cat
141     0: cat
142     this sentences rambles on and on for a while and then reaches elephant
143     0: elephant
144    
145     /cat|dog|elephant/iS
146 nigel 43 Capturing subpattern count = 0
147 nigel 41 Options: caseless
148     No first char
149 nigel 43 No need char
150 nigel 41 Starting character set: C D E c d e
151     this sentence eventually mentions a CAT cat
152     0: CAT
153     this sentences rambles on and on for a while to elephant ElePhant
154     0: elephant
155    
156     /a|[bcd]/S
157 nigel 43 Capturing subpattern count = 0
158 nigel 41 No options
159     No first char
160 nigel 43 No need char
161 nigel 41 Starting character set: a b c d
162    
163     /(a|[^\dZ])/S
164 nigel 43 Capturing subpattern count = 1
165 nigel 41 No options
166     No first char
167 nigel 43 No need char
168 nigel 41 Starting character set: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a
169     \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19
170     \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / : ; < = >
171     ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y [ \ ] ^ _ ` a b c d
172     e f g h i j k l m n o p q r s t u v w x y z { | } ~ \x7f \x80 \x81 \x82 \x83
173     \x84 \x85 \x86 \x87 \x88 \x89 \x8a \x8b \x8c \x8d \x8e \x8f \x90 \x91 \x92
174     \x93 \x94 \x95 \x96 \x97 \x98 \x99 \x9a \x9b \x9c \x9d \x9e \x9f \xa0 \xa1
175     \xa2 \xa3 \xa4 \xa5 \xa6 \xa7 \xa8 \xa9 \xaa \xab \xac \xad \xae \xaf \xb0
176     \xb1 \xb2 \xb3 \xb4 \xb5 \xb6 \xb7 \xb8 \xb9 \xba \xbb \xbc \xbd \xbe \xbf
177     \xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce
178     \xcf \xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd
179     \xde \xdf \xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec
180     \xed \xee \xef \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb
181     \xfc \xfd \xfe \xff
182    
183     /(a|b)*[\s]/S
184 nigel 43 Capturing subpattern count = 1
185 nigel 41 No options
186     No first char
187 nigel 43 No need char
188 nigel 41 Starting character set: \x09 \x0a \x0b \x0c \x0d \x20 a b
189    
190     /(ab\2)/
191     Failed: back reference to non-existent subpattern at offset 6
192    
193     /{4,5}abc/
194     Failed: nothing to repeat at offset 4
195    
196     /(a)(b)(c)\2/
197 nigel 43 Capturing subpattern count = 3
198     Max back reference = 2
199 nigel 41 No options
200     First char = 'a'
201 nigel 43 Need char = 'c'
202 nigel 41 abcb
203     0: abcb
204     1: a
205     2: b
206     3: c
207     \O0abcb
208     Matched, but too many substrings
209     \O3abcb
210     Matched, but too many substrings
211     0: abcb
212     \O6abcb
213     Matched, but too many substrings
214     0: abcb
215     1: a
216     \O9abcb
217     Matched, but too many substrings
218     0: abcb
219     1: a
220     2: b
221     \O12abcb
222     0: abcb
223     1: a
224     2: b
225     3: c
226    
227     /(a)bc|(a)(b)\2/
228 nigel 43 Capturing subpattern count = 3
229     Max back reference = 2
230 nigel 41 No options
231     First char = 'a'
232 nigel 43 No need char
233 nigel 41 abc
234     0: abc
235     1: a
236     \O0abc
237     Matched, but too many substrings
238     \O3abc
239     Matched, but too many substrings
240     0: abc
241     \O6abc
242     0: abc
243     1: a
244     aba
245     0: aba
246     1: <unset>
247     2: a
248     3: b
249     \O0aba
250     Matched, but too many substrings
251     \O3aba
252     Matched, but too many substrings
253     0: aba
254     \O6aba
255     Matched, but too many substrings
256     0: aba
257     1: <unset>
258     \O9aba
259     Matched, but too many substrings
260     0: aba
261     1: <unset>
262     2: a
263     \O12aba
264     0: aba
265     1: <unset>
266     2: a
267     3: b
268    
269     /abc$/E
270 nigel 43 Capturing subpattern count = 0
271 nigel 41 Options: dollar_endonly
272     First char = 'a'
273 nigel 43 Need char = 'c'
274 nigel 41 abc
275     0: abc
276     *** Failers
277     No match
278     abc\n
279     No match
280     abc\ndef
281     No match
282    
283     /(a)(b)(c)(d)(e)\6/
284     Failed: back reference to non-existent subpattern at offset 17
285    
286     /the quick brown fox/
287 nigel 43 Capturing subpattern count = 0
288 nigel 41 No options
289     First char = 't'
290 nigel 43 Need char = 'x'
291 nigel 41 the quick brown fox
292     0: the quick brown fox
293     this is a line with the quick brown fox
294     0: the quick brown fox
295    
296     /the quick brown fox/A
297 nigel 43 Capturing subpattern count = 0
298 nigel 41 Options: anchored
299     No first char
300 nigel 43 Need char = 'x'
301 nigel 41 the quick brown fox
302     0: the quick brown fox
303     *** Failers
304     No match
305     this is a line with the quick brown fox
306     No match
307    
308     /ab(?z)cd/
309     Failed: unrecognized character after (? at offset 4
310    
311     /^abc|def/
312 nigel 43 Capturing subpattern count = 0
313 nigel 41 No options
314     No first char
315 nigel 43 No need char
316 nigel 41 abcdef
317     0: abc
318     abcdef\B
319     0: def
320    
321     /.*((abc)$|(def))/
322 nigel 43 Capturing subpattern count = 3
323 nigel 41 No options
324     First char at start or follows \n
325 nigel 43 No need char
326 nigel 41 defabc
327     0: defabc
328     1: abc
329     2: abc
330     \Zdefabc
331     0: def
332     1: def
333     2: <unset>
334     3: def
335    
336     /abc/P
337     abc
338     0: abc
339     *** Failers
340     No match: POSIX code 17: match failed
341    
342     /^abc|def/P
343     abcdef
344     0: abc
345     abcdef\B
346     0: def
347    
348     /.*((abc)$|(def))/P
349     defabc
350     0: defabc
351     1: abc
352     2: abc
353     \Zdefabc
354     0: def
355     1: def
356     3: def
357    
358     /the quick brown fox/P
359     the quick brown fox
360     0: the quick brown fox
361     *** Failers
362     No match: POSIX code 17: match failed
363     The Quick Brown Fox
364     No match: POSIX code 17: match failed
365    
366     /the quick brown fox/Pi
367     the quick brown fox
368     0: the quick brown fox
369     The Quick Brown Fox
370     0: The Quick Brown Fox
371    
372     /abc.def/P
373     *** Failers
374     No match: POSIX code 17: match failed
375     abc\ndef
376     No match: POSIX code 17: match failed
377    
378     /abc$/P
379     abc
380     0: abc
381     abc\n
382     0: abc
383    
384     /(abc)\2/P
385     Failed: POSIX code 15: bad back reference at offset 7
386    
387     /(abc\1)/P
388     abc
389     No match: POSIX code 17: match failed
390    
391     /)/
392     Failed: unmatched parentheses at offset 0
393    
394     /a[]b/
395     Failed: missing terminating ] for character class at offset 4
396    
397     /[^aeiou ]{3,}/
398 nigel 43 Capturing subpattern count = 0
399 nigel 41 No options
400     No first char
401 nigel 43 No need char
402 nigel 41 co-processors, and for
403     0: -pr
404    
405     /<.*>/
406 nigel 43 Capturing subpattern count = 0
407 nigel 41 No options
408     First char = '<'
409 nigel 43 Need char = '>'
410 nigel 41 abc<def>ghi<klm>nop
411     0: <def>ghi<klm>
412    
413     /<.*?>/
414 nigel 43 Capturing subpattern count = 0
415 nigel 41 No options
416     First char = '<'
417 nigel 43 Need char = '>'
418 nigel 41 abc<def>ghi<klm>nop
419     0: <def>
420    
421     /<.*>/U
422 nigel 43 Capturing subpattern count = 0
423 nigel 41 Options: ungreedy
424     First char = '<'
425 nigel 43 Need char = '>'
426 nigel 41 abc<def>ghi<klm>nop
427     0: <def>
428    
429     /<.*>(?U)/
430 nigel 43 Capturing subpattern count = 0
431 nigel 41 Options: ungreedy
432     First char = '<'
433 nigel 43 Need char = '>'
434 nigel 41 abc<def>ghi<klm>nop
435     0: <def>
436    
437     /<.*?>/U
438 nigel 43 Capturing subpattern count = 0
439 nigel 41 Options: ungreedy
440     First char = '<'
441 nigel 43 Need char = '>'
442 nigel 41 abc<def>ghi<klm>nop
443     0: <def>ghi<klm>
444    
445     /={3,}/U
446 nigel 43 Capturing subpattern count = 0
447 nigel 41 Options: ungreedy
448     First char = '='
449 nigel 43 Need char = '='
450 nigel 41 abc========def
451     0: ===
452    
453     /(?U)={3,}?/
454 nigel 43 Capturing subpattern count = 0
455 nigel 41 Options: ungreedy
456     First char = '='
457 nigel 43 Need char = '='
458 nigel 41 abc========def
459     0: ========
460    
461     /(?<!bar|cattle)foo/
462 nigel 43 Capturing subpattern count = 0
463 nigel 41 No options
464     First char = 'f'
465 nigel 43 Need char = 'o'
466 nigel 41 foo
467     0: foo
468     catfoo
469     0: foo
470     *** Failers
471     No match
472     the barfoo
473     No match
474     and cattlefoo
475     No match
476    
477     /(?<=a+)b/
478     Failed: lookbehind assertion is not fixed length at offset 6
479    
480     /(?<=aaa|b{0,3})b/
481     Failed: lookbehind assertion is not fixed length at offset 14
482    
483     /(?<!(foo)a\1)bar/
484     Failed: lookbehind assertion is not fixed length at offset 12
485    
486     /(?i)abc/
487 nigel 43 Capturing subpattern count = 0
488 nigel 41 Options: caseless
489     First char = 'a'
490 nigel 43 Need char = 'c'
491 nigel 41
492     /(a|(?m)a)/
493 nigel 43 Capturing subpattern count = 1
494 nigel 41 No options
495     First char = 'a'
496 nigel 43 No need char
497 nigel 41
498     /(?i)^1234/
499 nigel 43 Capturing subpattern count = 0
500 nigel 41 Options: anchored caseless
501     No first char
502 nigel 43 Need char = '4'
503 nigel 41
504     /(^b|(?i)^d)/
505 nigel 43 Capturing subpattern count = 1
506 nigel 41 Options: anchored
507     Case state changes
508     No first char
509 nigel 43 No need char
510 nigel 41
511     /(?s).*/
512 nigel 43 Capturing subpattern count = 0
513 nigel 41 Options: anchored dotall
514     No first char
515 nigel 43 No need char
516 nigel 41
517     /[abcd]/S
518 nigel 43 Capturing subpattern count = 0
519 nigel 41 No options
520     No first char
521 nigel 43 No need char
522 nigel 41 Starting character set: a b c d
523    
524     /(?i)[abcd]/S
525 nigel 43 Capturing subpattern count = 0
526 nigel 41 Options: caseless
527     No first char
528 nigel 43 No need char
529 nigel 41 Starting character set: A B C D a b c d
530    
531     /(?m)[xy]|(b|c)/S
532 nigel 43 Capturing subpattern count = 1
533 nigel 41 Options: multiline
534     No first char
535 nigel 43 No need char
536 nigel 41 Starting character set: b c x y
537    
538     /(^a|^b)/m
539 nigel 43 Capturing subpattern count = 1
540 nigel 41 Options: multiline
541     First char at start or follows \n
542 nigel 43 No need char
543 nigel 41
544     /(?i)(^a|^b)/m
545 nigel 43 Capturing subpattern count = 1
546 nigel 41 Options: caseless multiline
547     First char at start or follows \n
548 nigel 43 No need char
549 nigel 41
550     /(a)(?(1)a|b|c)/
551     Failed: conditional group contains more than two branches at offset 13
552    
553     /(?(?=a)a|b|c)/
554     Failed: conditional group contains more than two branches at offset 12
555    
556     /(?(1a)/
557     Failed: malformed number after (?( at offset 4
558    
559     /(?(?i))/
560     Failed: assertion expected after (?( at offset 3
561    
562     /(?(abc))/
563     Failed: assertion expected after (?( at offset 3
564    
565     /(?(?<ab))/
566     Failed: unrecognized character after (?< at offset 2
567    
568     /((?s)blah)\s+\1/
569 nigel 43 Capturing subpattern count = 1
570     Max back reference = 1
571 nigel 41 No options
572     First char = 'b'
573 nigel 43 Need char = 'h'
574 nigel 41
575     /((?i)blah)\s+\1/
576 nigel 43 Capturing subpattern count = 1
577     Max back reference = 1
578 nigel 41 No options
579     Case state changes
580     No first char
581 nigel 43 Need char = 'h'
582 nigel 41
583     /((?i)b)/DS
584     ------------------------------------------------------------------
585     0 16 Bra 0
586     3 8 Bra 1
587     6 01 Opt
588     8 1 b
589     11 8 Ket
590     14 00 Opt
591     16 16 Ket
592     19 End
593     ------------------------------------------------------------------
594 nigel 43 Capturing subpattern count = 1
595 nigel 41 No options
596     Case state changes
597     No first char
598 nigel 43 Need char = 'b'
599 nigel 41 Starting character set: B b
600    
601     /(a*b|(?i:c*(?-i)d))/S
602 nigel 43 Capturing subpattern count = 1
603 nigel 41 No options
604     Case state changes
605     No first char
606 nigel 43 No need char
607 nigel 41 Starting character set: C a b c d
608    
609     /a$/
610 nigel 43 Capturing subpattern count = 0
611 nigel 41 No options
612     First char = 'a'
613 nigel 43 No need char
614 nigel 41 a
615     0: a
616     a\n
617     0: a
618     *** Failers
619     No match
620     \Za
621     No match
622     \Za\n
623     No match
624    
625     /a$/m
626 nigel 43 Capturing subpattern count = 0
627 nigel 41 Options: multiline
628     First char = 'a'
629 nigel 43 No need char
630 nigel 41 a
631     0: a
632     a\n
633     0: a
634     \Za\n
635     0: a
636     *** Failers
637     No match
638     \Za
639     No match
640    
641     /\Aabc/m
642 nigel 43 Capturing subpattern count = 0
643 nigel 41 Options: anchored multiline
644     No first char
645 nigel 43 Need char = 'c'
646 nigel 41
647     /^abc/m
648 nigel 43 Capturing subpattern count = 0
649 nigel 41 Options: multiline
650     First char at start or follows \n
651 nigel 43 Need char = 'c'
652 nigel 41
653     /^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/
654 nigel 43 Capturing subpattern count = 5
655 nigel 41 Options: anchored
656     No first char
657 nigel 43 Need char = 'a'
658 nigel 41 aaaaabbbbbcccccdef
659     0: aaaaabbbbbcccccdef
660     1: aaaaabbbbbcccccdef
661     2: aaaaa
662     3: b
663     4: bbbbccccc
664     5: def
665    
666     /(?<=foo)[ab]/S
667 nigel 43 Capturing subpattern count = 0
668 nigel 41 No options
669     No first char
670 nigel 43 No need char
671 nigel 41 Starting character set: a b
672    
673     /(?<!foo)(alpha|omega)/S
674 nigel 43 Capturing subpattern count = 1
675 nigel 41 No options
676     No first char
677 nigel 43 Need char = 'a'
678 nigel 41 Starting character set: a o
679    
680     /(?!alphabet)[ab]/S
681 nigel 43 Capturing subpattern count = 0
682 nigel 41 No options
683     No first char
684 nigel 43 No need char
685 nigel 41 Starting character set: a b
686    
687     /(?<=foo\n)^bar/m
688 nigel 43 Capturing subpattern count = 0
689 nigel 41 Options: multiline
690     First char at start or follows \n
691 nigel 43 Need char = 'r'
692 nigel 41
693     /(?>^abc)/m
694 nigel 43 Capturing subpattern count = 0
695 nigel 41 Options: multiline
696     First char at start or follows \n
697 nigel 43 Need char = 'c'
698 nigel 41 abc
699     0: abc
700     def\nabc
701     0: abc
702     *** Failers
703     No match
704     defabc
705     No match
706    
707     /(?<=ab(c+)d)ef/
708     Failed: lookbehind assertion is not fixed length at offset 11
709    
710     /(?<=ab(?<=c+)d)ef/
711     Failed: lookbehind assertion is not fixed length at offset 12
712    
713     /(?<=ab(c|de)f)g/
714     Failed: lookbehind assertion is not fixed length at offset 13
715    
716     /The next three are in testinput2 because they have variable length branches/
717 nigel 43 Capturing subpattern count = 0
718 nigel 41 No options
719     First char = 'T'
720 nigel 43 Need char = 's'
721 nigel 41
722     /(?<=bullock|donkey)-cart/
723 nigel 43 Capturing subpattern count = 0
724 nigel 41 No options
725     First char = '-'
726 nigel 43 Need char = 't'
727 nigel 41 the bullock-cart
728     0: -cart
729     a donkey-cart race
730     0: -cart
731     *** Failers
732     No match
733     cart
734     No match
735     horse-and-cart
736     No match
737    
738     /(?<=ab(?i)x|y|z)/
739 nigel 43 Capturing subpattern count = 0
740 nigel 41 No options
741     Case state changes
742     No first char
743 nigel 43 No need char
744 nigel 41
745     /(?>.*)(?<=(abcd)|(xyz))/
746 nigel 43 Capturing subpattern count = 2
747 nigel 41 No options
748     First char at start or follows \n
749 nigel 43 No need char
750 nigel 41 alphabetabcd
751     0: alphabetabcd
752     1: abcd
753     endingxyz
754     0: endingxyz
755     1: <unset>
756     2: xyz
757    
758     /(?<=ab(?i)x(?-i)y|(?i)z|b)ZZ/
759 nigel 43 Capturing subpattern count = 0
760 nigel 41 No options
761     Case state changes
762     First char = 'Z'
763 nigel 43 Need char = 'Z'
764 nigel 41 abxyZZ
765     0: ZZ
766     abXyZZ
767     0: ZZ
768     ZZZ
769     0: ZZ
770     zZZ
771     0: ZZ
772     bZZ
773     0: ZZ
774     BZZ
775     0: ZZ
776     *** Failers
777     No match
778     ZZ
779     No match
780     abXYZZ
781     No match
782     zzz
783     No match
784     bzz
785     No match
786    
787     /(?<!(foo)a)bar/
788 nigel 43 Capturing subpattern count = 1
789 nigel 41 No options
790     First char = 'b'
791 nigel 43 Need char = 'r'
792 nigel 41 bar
793     0: bar
794     foobbar
795     0: bar
796     *** Failers
797     No match
798     fooabar
799     No match
800    
801     /This one is here because Perl 5.005_02 doesn't fail it/
802 nigel 43 Capturing subpattern count = 0
803 nigel 41 No options
804     First char = 'T'
805 nigel 43 Need char = 't'
806 nigel 41
807     /^(a)?(?(1)a|b)+$/
808 nigel 43 Capturing subpattern count = 1
809 nigel 41 Options: anchored
810     No first char
811 nigel 43 No need char
812 nigel 41 *** Failers
813     No match
814     a
815     No match
816    
817     /This one is here because I think Perl 5.005_02 gets the setting of $1 wrong/
818 nigel 43 Capturing subpattern count = 0
819 nigel 41 No options
820     First char = 'T'
821 nigel 43 Need char = 'g'
822 nigel 41
823     /^(a\1?){4}$/
824 nigel 43 Capturing subpattern count = 1
825     Max back reference = 1
826 nigel 41 Options: anchored
827     No first char
828 nigel 43 Need char = 'a'
829 nigel 41 aaaaaa
830     0: aaaaaa
831     1: aa
832    
833     /These are syntax tests from Perl 5.005/
834 nigel 43 Capturing subpattern count = 0
835 nigel 41 No options
836     First char = 'T'
837 nigel 43 Need char = '5'
838 nigel 41
839     /a[b-a]/
840     Failed: range out of order in character class at offset 4
841    
842     /a[]b/
843     Failed: missing terminating ] for character class at offset 4
844    
845     /a[/
846     Failed: missing terminating ] for character class at offset 2
847    
848     /*a/
849     Failed: nothing to repeat at offset 0
850    
851     /(*)b/
852     Failed: nothing to repeat at offset 1
853    
854     /abc)/
855     Failed: unmatched parentheses at offset 3
856    
857     /(abc/
858     Failed: missing ) at offset 4
859    
860     /a**/
861     Failed: nothing to repeat at offset 2
862    
863     /)(/
864     Failed: unmatched parentheses at offset 0
865    
866     /\1/
867     Failed: back reference to non-existent subpattern at offset 2
868    
869     /\2/
870     Failed: back reference to non-existent subpattern at offset 2
871    
872     /(a)|\2/
873     Failed: back reference to non-existent subpattern at offset 6
874    
875     /a[b-a]/i
876     Failed: range out of order in character class at offset 4
877    
878     /a[]b/i
879     Failed: missing terminating ] for character class at offset 4
880    
881     /a[/i
882     Failed: missing terminating ] for character class at offset 2
883    
884     /*a/i
885     Failed: nothing to repeat at offset 0
886    
887     /(*)b/i
888     Failed: nothing to repeat at offset 1
889    
890     /abc)/i
891     Failed: unmatched parentheses at offset 3
892    
893     /(abc/i
894     Failed: missing ) at offset 4
895    
896     /a**/i
897     Failed: nothing to repeat at offset 2
898    
899     /)(/i
900     Failed: unmatched parentheses at offset 0
901    
902     /:(?:/
903     Failed: missing ) at offset 4
904    
905     /(?<%)b/
906     Failed: unrecognized character after (?< at offset 0
907    
908     /a(?{)b/
909     Failed: unrecognized character after (? at offset 3
910    
911     /a(?{{})b/
912     Failed: unrecognized character after (? at offset 3
913    
914     /a(?{}})b/
915     Failed: unrecognized character after (? at offset 3
916    
917     /a(?{"{"})b/
918     Failed: unrecognized character after (? at offset 3
919    
920     /a(?{"{"}})b/
921     Failed: unrecognized character after (? at offset 3
922    
923     /(?(1?)a|b)/
924     Failed: malformed number after (?( at offset 4
925    
926     /(?(1)a|b|c)/
927     Failed: conditional group contains more than two branches at offset 10
928    
929     /[a[:xyz:/
930     Failed: missing terminating ] for character class at offset 8
931    
932     /(?<=x+)y/
933     Failed: lookbehind assertion is not fixed length at offset 6
934    
935     /a{37,17}/
936     Failed: numbers out of order in {} quantifier at offset 7
937    
938     /abc/\
939     Failed: \ at end of pattern at offset 4
940    
941     /abc/\P
942     Failed: POSIX code 9: bad escape sequence at offset 4
943    
944     /abc/\i
945     Failed: \ at end of pattern at offset 4
946    
947     /(a)bc(d)/
948 nigel 43 Capturing subpattern count = 2
949 nigel 41 No options
950     First char = 'a'
951 nigel 43 Need char = 'd'
952 nigel 41 abcd
953     0: abcd
954     1: a
955     2: d
956     abcd\C2
957     0: abcd
958     1: a
959     2: d
960     2C d (1)
961     abcd\C5
962     0: abcd
963     1: a
964     2: d
965     copy substring 5 failed -7
966    
967     /(.{20})/
968 nigel 43 Capturing subpattern count = 1
969 nigel 41 No options
970     No first char
971 nigel 43 No need char
972 nigel 41 abcdefghijklmnopqrstuvwxyz
973     0: abcdefghijklmnopqrst
974     1: abcdefghijklmnopqrst
975     abcdefghijklmnopqrstuvwxyz\C1
976     0: abcdefghijklmnopqrst
977     1: abcdefghijklmnopqrst
978     copy substring 1 failed -6
979     abcdefghijklmnopqrstuvwxyz\G1
980     0: abcdefghijklmnopqrst
981     1: abcdefghijklmnopqrst
982     1G abcdefghijklmnopqrst (20)
983    
984     /(.{15})/
985 nigel 43 Capturing subpattern count = 1
986 nigel 41 No options
987     No first char
988 nigel 43 No need char
989 nigel 41 abcdefghijklmnopqrstuvwxyz
990     0: abcdefghijklmno
991     1: abcdefghijklmno
992     abcdefghijklmnopqrstuvwxyz\C1\G1
993     0: abcdefghijklmno
994     1: abcdefghijklmno
995     1C abcdefghijklmno (15)
996     1G abcdefghijklmno (15)
997    
998     /(.{16})/
999 nigel 43 Capturing subpattern count = 1
1000 nigel 41 No options
1001     No first char
1002 nigel 43 No need char
1003 nigel 41 abcdefghijklmnopqrstuvwxyz
1004     0: abcdefghijklmnop
1005     1: abcdefghijklmnop
1006     abcdefghijklmnopqrstuvwxyz\C1\G1\L
1007     0: abcdefghijklmnop
1008     1: abcdefghijklmnop
1009     copy substring 1 failed -6
1010     1G abcdefghijklmnop (16)
1011     0L abcdefghijklmnop
1012     1L abcdefghijklmnop
1013    
1014     /^(a|(bc))de(f)/
1015 nigel 43 Capturing subpattern count = 3
1016 nigel 41 Options: anchored
1017     No first char
1018 nigel 43 Need char = 'f'
1019 nigel 41 adef\G1\G2\G3\G4\L
1020     0: adef
1021     1: a
1022     2: <unset>
1023     3: f
1024     1G a (1)
1025     2G (0)
1026     3G f (1)
1027     get substring 4 failed -7
1028     0L adef
1029     1L a
1030     2L
1031     3L f
1032     bcdef\G1\G2\G3\G4\L
1033     0: bcdef
1034     1: bc
1035     2: bc
1036     3: f
1037     1G bc (2)
1038     2G bc (2)
1039     3G f (1)
1040     get substring 4 failed -7
1041     0L bcdef
1042     1L bc
1043     2L bc
1044     3L f
1045     adefghijk\C0
1046     0: adef
1047     1: a
1048     2: <unset>
1049     3: f
1050     0C adef (4)
1051    
1052     /^abc\00def/
1053 nigel 43 Capturing subpattern count = 0
1054 nigel 41 Options: anchored
1055     No first char
1056 nigel 43 Need char = 'f'
1057 nigel 41 abc\00def\L\C0
1058     0: abc\x00def
1059     0C abc (7)
1060     0L abc
1061    
1062     /word ((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
1063     )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
1064     )?)?)?)?)?)?)?)?)?otherword/M
1065     Memory allocation (code space): 428
1066 nigel 43 Capturing subpattern count = 8
1067 nigel 41 No options
1068     First char = 'w'
1069 nigel 43 Need char = 'd'
1070 nigel 41
1071     /.*X/D
1072     ------------------------------------------------------------------
1073     0 8 Bra 0
1074     3 Any*
1075     5 1 X
1076     8 8 Ket
1077     11 End
1078     ------------------------------------------------------------------
1079 nigel 43 Capturing subpattern count = 0
1080 nigel 41 No options
1081     First char at start or follows \n
1082 nigel 43 Need char = 'X'
1083 nigel 41
1084     /.*X/Ds
1085     ------------------------------------------------------------------
1086     0 8 Bra 0
1087     3 Any*
1088     5 1 X
1089     8 8 Ket
1090     11 End
1091     ------------------------------------------------------------------
1092 nigel 43 Capturing subpattern count = 0
1093 nigel 41 Options: anchored dotall
1094     No first char
1095 nigel 43 Need char = 'X'
1096 nigel 41
1097     /(.*X|^B)/D
1098     ------------------------------------------------------------------
1099     0 21 Bra 0
1100     3 8 Bra 1
1101     6 Any*
1102     8 1 X
1103     11 7 Alt
1104     14 ^
1105     15 1 B
1106     18 15 Ket
1107     21 21 Ket
1108     24 End
1109     ------------------------------------------------------------------
1110 nigel 43 Capturing subpattern count = 1
1111 nigel 41 No options
1112     First char at start or follows \n
1113 nigel 43 No need char
1114 nigel 41
1115     /(.*X|^B)/Ds
1116     ------------------------------------------------------------------
1117     0 21 Bra 0
1118     3 8 Bra 1
1119     6 Any*
1120     8 1 X
1121     11 7 Alt
1122     14 ^
1123     15 1 B
1124     18 15 Ket
1125     21 21 Ket
1126     24 End
1127     ------------------------------------------------------------------
1128 nigel 43 Capturing subpattern count = 1
1129 nigel 41 Options: anchored dotall
1130     No first char
1131 nigel 43 No need char
1132 nigel 41
1133     /(?s)(.*X|^B)/D
1134     ------------------------------------------------------------------
1135     0 21 Bra 0
1136     3 8 Bra 1
1137     6 Any*
1138     8 1 X
1139     11 7 Alt
1140     14 ^
1141     15 1 B
1142     18 15 Ket
1143     21 21 Ket
1144     24 End
1145     ------------------------------------------------------------------
1146 nigel 43 Capturing subpattern count = 1
1147 nigel 41 Options: anchored dotall
1148     No first char
1149 nigel 43 No need char
1150 nigel 41
1151     /(?s:.*X|^B)/D
1152     ------------------------------------------------------------------
1153     0 27 Bra 0
1154     3 10 Bra 0
1155     6 04 Opt
1156     8 Any*
1157     10 1 X
1158     13 9 Alt
1159     16 04 Opt
1160     18 ^
1161     19 1 B
1162     22 19 Ket
1163     25 00 Opt
1164     27 27 Ket
1165     30 End
1166     ------------------------------------------------------------------
1167 nigel 43 Capturing subpattern count = 0
1168 nigel 41 No options
1169     First char at start or follows \n
1170 nigel 43 No need char
1171 nigel 41
1172     /\Biss\B/+
1173 nigel 43 Capturing subpattern count = 0
1174 nigel 41 No options
1175     First char = 'i'
1176 nigel 43 Need char = 's'
1177 nigel 41 Mississippi
1178     0: iss
1179     0+ issippi
1180    
1181     /\Biss\B/+P
1182     Mississippi
1183     0: iss
1184     0+ issippi
1185    
1186     /iss/G+
1187 nigel 43 Capturing subpattern count = 0
1188 nigel 41 No options
1189     First char = 'i'
1190 nigel 43 Need char = 's'
1191 nigel 41 Mississippi
1192     0: iss
1193     0+ issippi
1194     0: iss
1195     0+ ippi
1196    
1197     /\Biss\B/G+
1198 nigel 43 Capturing subpattern count = 0
1199 nigel 41 No options
1200     First char = 'i'
1201 nigel 43 Need char = 's'
1202 nigel 41 Mississippi
1203     0: iss
1204     0+ issippi
1205    
1206     /\Biss\B/g+
1207 nigel 43 Capturing subpattern count = 0
1208 nigel 41 No options
1209     First char = 'i'
1210 nigel 43 Need char = 's'
1211 nigel 41 Mississippi
1212     0: iss
1213     0+ issippi
1214     0: iss
1215     0+ ippi
1216     *** Failers
1217     No match
1218     Mississippi\A
1219     No match
1220    
1221     /(?<=[Ms])iss/g+
1222 nigel 43 Capturing subpattern count = 0
1223 nigel 41 No options
1224     First char = 'i'
1225 nigel 43 Need char = 's'
1226 nigel 41 Mississippi
1227     0: iss
1228     0+ issippi
1229     0: iss
1230     0+ ippi
1231    
1232     /(?<=[Ms])iss/G+
1233 nigel 43 Capturing subpattern count = 0
1234 nigel 41 No options
1235     First char = 'i'
1236 nigel 43 Need char = 's'
1237 nigel 41 Mississippi
1238     0: iss
1239     0+ issippi
1240    
1241     /^iss/g+
1242 nigel 43 Capturing subpattern count = 0
1243 nigel 41 Options: anchored
1244     No first char
1245 nigel 43 Need char = 's'
1246 nigel 41 ississippi
1247     0: iss
1248     0+ issippi
1249    
1250     /.*iss/g+
1251 nigel 43 Capturing subpattern count = 0
1252 nigel 41 No options
1253     First char at start or follows \n
1254 nigel 43 Need char = 's'
1255 nigel 41 abciss\nxyzisspqr
1256     0: abciss
1257     0+ \x0axyzisspqr
1258     0: xyziss
1259     0+ pqr
1260    
1261     /.i./+g
1262 nigel 43 Capturing subpattern count = 0
1263 nigel 41 No options
1264     No first char
1265 nigel 43 Need char = 'i'
1266 nigel 41 Mississippi
1267     0: Mis
1268     0+ sissippi
1269     0: sis
1270     0+ sippi
1271     0: sip
1272     0+ pi
1273     Mississippi\A
1274     0: Mis
1275     0+ sissippi
1276     0: sis
1277     0+ sippi
1278     0: sip
1279     0+ pi
1280     Missouri river
1281     0: Mis
1282     0+ souri river
1283     0: ri
1284     0+ river
1285     0: riv
1286     0+ er
1287     Missouri river\A
1288     0: Mis
1289     0+ souri river
1290    
1291     /^.is/+g
1292 nigel 43 Capturing subpattern count = 0
1293 nigel 41 Options: anchored
1294     No first char
1295 nigel 43 Need char = 's'
1296 nigel 41 Mississippi
1297     0: Mis
1298     0+ sissippi
1299    
1300     /^ab\n/g+
1301 nigel 43 Capturing subpattern count = 0
1302 nigel 41 Options: anchored
1303     No first char
1304 nigel 43 Need char = 10
1305 nigel 41 ab\nab\ncd
1306     0: ab\x0a
1307     0+ ab\x0acd
1308    
1309     /^ab\n/mg+
1310 nigel 43 Capturing subpattern count = 0
1311 nigel 41 Options: multiline
1312     First char at start or follows \n
1313 nigel 43 Need char = 10
1314 nigel 41 ab\nab\ncd
1315     0: ab\x0a
1316     0+ ab\x0acd
1317     0: ab\x0a
1318     0+ cd
1319    
1320     /abc/
1321 nigel 43 Capturing subpattern count = 0
1322 nigel 41 No options
1323     First char = 'a'
1324 nigel 43 Need char = 'c'
1325 nigel 41
1326     /abc|bac/
1327 nigel 43 Capturing subpattern count = 0
1328 nigel 41 No options
1329     No first char
1330 nigel 43 Need char = 'c'
1331 nigel 41
1332     /(abc|bac)/
1333 nigel 43 Capturing subpattern count = 1
1334 nigel 41 No options
1335     No first char
1336 nigel 43 Need char = 'c'
1337 nigel 41
1338     /(abc|(c|dc))/
1339 nigel 43 Capturing subpattern count = 2
1340 nigel 41 No options
1341     No first char
1342 nigel 43 Need char = 'c'
1343 nigel 41
1344     /(abc|(d|de)c)/
1345 nigel 43 Capturing subpattern count = 2
1346 nigel 41 No options
1347     No first char
1348 nigel 43 Need char = 'c'
1349 nigel 41
1350     /a*/
1351 nigel 43 Capturing subpattern count = 0
1352 nigel 41 No options
1353     No first char
1354 nigel 43 No need char
1355 nigel 41
1356     /a+/
1357 nigel 43 Capturing subpattern count = 0
1358 nigel 41 No options
1359     First char = 'a'
1360 nigel 43 No need char
1361 nigel 41
1362     /(baa|a+)/
1363 nigel 43 Capturing subpattern count = 1
1364 nigel 41 No options
1365     No first char
1366 nigel 43 Need char = 'a'
1367 nigel 41
1368     /a{0,3}/
1369 nigel 43 Capturing subpattern count = 0
1370 nigel 41 No options
1371     No first char
1372 nigel 43 No need char
1373 nigel 41
1374     /baa{3,}/
1375 nigel 43 Capturing subpattern count = 0
1376 nigel 41 No options
1377     First char = 'b'
1378 nigel 43 Need char = 'a'
1379 nigel 41
1380     /"([^\\"]+|\\.)*"/
1381 nigel 43 Capturing subpattern count = 1
1382 nigel 41 No options
1383     First char = '"'
1384 nigel 43 Need char = '"'
1385 nigel 41
1386     /(abc|ab[cd])/
1387 nigel 43 Capturing subpattern count = 1
1388 nigel 41 No options
1389     First char = 'a'
1390 nigel 43 No need char
1391 nigel 41
1392     /(a|.)/
1393 nigel 43 Capturing subpattern count = 1
1394 nigel 41 No options
1395     No first char
1396 nigel 43 No need char
1397 nigel 41
1398     /a|ba|\w/
1399 nigel 43 Capturing subpattern count = 0
1400 nigel 41 No options
1401     No first char
1402 nigel 43 No need char
1403 nigel 41
1404     /abc(?=pqr)/
1405 nigel 43 Capturing subpattern count = 0
1406 nigel 41 No options
1407     First char = 'a'
1408 nigel 43 Need char = 'r'
1409 nigel 41
1410     /...(?<=abc)/
1411 nigel 43 Capturing subpattern count = 0
1412 nigel 41 No options
1413     No first char
1414 nigel 43 No need char
1415 nigel 41
1416     /abc(?!pqr)/
1417 nigel 43 Capturing subpattern count = 0
1418 nigel 41 No options
1419     First char = 'a'
1420 nigel 43 Need char = 'c'
1421 nigel 41
1422     /ab./
1423 nigel 43 Capturing subpattern count = 0
1424 nigel 41 No options
1425     First char = 'a'
1426 nigel 43 Need char = 'b'
1427 nigel 41
1428     /ab[xyz]/
1429 nigel 43 Capturing subpattern count = 0
1430 nigel 41 No options
1431     First char = 'a'
1432 nigel 43 Need char = 'b'
1433 nigel 41
1434     /abc*/
1435 nigel 43 Capturing subpattern count = 0
1436 nigel 41 No options
1437     First char = 'a'
1438 nigel 43 Need char = 'b'
1439 nigel 41
1440     /ab.c*/
1441 nigel 43 Capturing subpattern count = 0
1442 nigel 41 No options
1443     First char = 'a'
1444 nigel 43 Need char = 'b'
1445 nigel 41
1446     /a.c*/
1447 nigel 43 Capturing subpattern count = 0
1448 nigel 41 No options
1449     First char = 'a'
1450 nigel 43 No need char
1451 nigel 41
1452     /.c*/
1453 nigel 43 Capturing subpattern count = 0
1454 nigel 41 No options
1455     No first char
1456 nigel 43 No need char
1457 nigel 41
1458     /ac*/
1459 nigel 43 Capturing subpattern count = 0
1460 nigel 41 No options
1461     First char = 'a'
1462 nigel 43 No need char
1463 nigel 41
1464     /(a.c*|b.c*)/
1465 nigel 43 Capturing subpattern count = 1
1466 nigel 41 No options
1467     No first char
1468 nigel 43 No need char
1469 nigel 41
1470     /a.c*|aba/
1471 nigel 43 Capturing subpattern count = 0
1472 nigel 41 No options
1473     First char = 'a'
1474 nigel 43 No need char
1475 nigel 41
1476     /.+a/
1477 nigel 43 Capturing subpattern count = 0
1478 nigel 41 No options
1479     No first char
1480 nigel 43 Need char = 'a'
1481 nigel 41
1482     /(?=abcda)a.*/
1483 nigel 43 Capturing subpattern count = 0
1484 nigel 41 No options
1485     First char = 'a'
1486 nigel 43 No need char
1487 nigel 41
1488     /(?=a)a.*/
1489 nigel 43 Capturing subpattern count = 0
1490 nigel 41 No options
1491     First char = 'a'
1492 nigel 43 No need char
1493 nigel 41
1494     /a(b)*/
1495 nigel 43 Capturing subpattern count = 1
1496 nigel 41 No options
1497     First char = 'a'
1498 nigel 43 No need char
1499 nigel 41
1500     /a\d*/
1501 nigel 43 Capturing subpattern count = 0
1502 nigel 41 No options
1503     First char = 'a'
1504 nigel 43 No need char
1505 nigel 41
1506     /ab\d*/
1507 nigel 43 Capturing subpattern count = 0
1508 nigel 41 No options
1509     First char = 'a'
1510 nigel 43 Need char = 'b'
1511 nigel 41
1512     /a(\d)*/
1513 nigel 43 Capturing subpattern count = 1
1514 nigel 41 No options
1515     First char = 'a'
1516 nigel 43 No need char
1517 nigel 41
1518     /abcde{0,0}/
1519 nigel 43 Capturing subpattern count = 0
1520 nigel 41 No options
1521     First char = 'a'
1522 nigel 43 Need char = 'd'
1523 nigel 41
1524     /ab\d+/
1525 nigel 43 Capturing subpattern count = 0
1526 nigel 41 No options
1527     First char = 'a'
1528 nigel 43 Need char = 'b'
1529 nigel 41
1530     /a(?(1)b)/
1531 nigel 43 Capturing subpattern count = 0
1532 nigel 41 No options
1533     First char = 'a'
1534 nigel 43 No need char
1535 nigel 41
1536     /a(?(1)bag|big)/
1537 nigel 43 Capturing subpattern count = 0
1538 nigel 41 No options
1539     First char = 'a'
1540 nigel 43 Need char = 'g'
1541 nigel 41
1542     /a(?(1)bag|big)*/
1543 nigel 43 Capturing subpattern count = 0
1544 nigel 41 No options
1545     First char = 'a'
1546 nigel 43 No need char
1547 nigel 41
1548     /a(?(1)bag|big)+/
1549 nigel 43 Capturing subpattern count = 0
1550 nigel 41 No options
1551     First char = 'a'
1552 nigel 43 Need char = 'g'
1553 nigel 41
1554     /a(?(1)b..|b..)/
1555 nigel 43 Capturing subpattern count = 0
1556 nigel 41 No options
1557     First char = 'a'
1558 nigel 43 Need char = 'b'
1559 nigel 41
1560     /ab\d{0}e/
1561 nigel 43 Capturing subpattern count = 0
1562 nigel 41 No options
1563     First char = 'a'
1564 nigel 43 Need char = 'e'
1565 nigel 41
1566     /a?b?/
1567 nigel 43 Capturing subpattern count = 0
1568 nigel 41 No options
1569     No first char
1570 nigel 43 No need char
1571 nigel 41 a
1572     0: a
1573     b
1574     0: b
1575     ab
1576     0: ab
1577     \
1578     0:
1579     *** Failers
1580     0:
1581     \N
1582     No match
1583    
1584     /|-/
1585 nigel 43 Capturing subpattern count = 0
1586 nigel 41 No options
1587     No first char
1588 nigel 43 No need char
1589 nigel 41 abcd
1590     0:
1591     -abc
1592     0:
1593     \Nab-c
1594     0: -
1595     *** Failers
1596     0:
1597     \Nabc
1598     No match
1599    
1600     /a*(b+)(z)(z)/P
1601     aaaabbbbzzzz
1602     0: aaaabbbbzz
1603     1: bbbb
1604     2: z
1605     3: z
1606     aaaabbbbzzzz\O0
1607     aaaabbbbzzzz\O1
1608     0: aaaabbbbzz
1609     aaaabbbbzzzz\O2
1610     0: aaaabbbbzz
1611     1: bbbb
1612     aaaabbbbzzzz\O3
1613     0: aaaabbbbzz
1614     1: bbbb
1615     2: z
1616     aaaabbbbzzzz\O4
1617     0: aaaabbbbzz
1618     1: bbbb
1619     2: z
1620     3: z
1621     aaaabbbbzzzz\O5
1622     0: aaaabbbbzz
1623     1: bbbb
1624     2: z
1625     3: z
1626 nigel 43
1627     /^.?abcd/S
1628     Capturing subpattern count = 0
1629     Options: anchored
1630     No first char
1631     Need char = 'd'
1632     Study returned NULL
1633 nigel 41
1634 nigel 43 /\( # ( at start
1635     (?: # Non-capturing bracket
1636     (?>[^()]+) # Either a sequence of non-brackets (no backtracking)
1637     | # Or
1638     (?R) # Recurse - i.e. nested bracketed string
1639     )* # Zero or more contents
1640     \) # Closing )
1641     /x
1642     Capturing subpattern count = 0
1643     Options: extended
1644     First char = '('
1645     Need char = ')'
1646     (abcd)
1647     0: (abcd)
1648     (abcd)xyz
1649     0: (abcd)
1650     xyz(abcd)
1651     0: (abcd)
1652     (ab(xy)cd)pqr
1653     0: (ab(xy)cd)
1654     (ab(xycd)pqr
1655     0: (xycd)
1656     () abc ()
1657     0: ()
1658     12(abcde(fsh)xyz(foo(bar))lmno)89
1659     0: (abcde(fsh)xyz(foo(bar))lmno)
1660     *** Failers
1661     No match
1662     abcd
1663     No match
1664     abcd)
1665     No match
1666     (abcd
1667     No match
1668    
1669     /\( ( (?>[^()]+) | (?R) )* \) /xg
1670     Capturing subpattern count = 1
1671     Options: extended
1672     First char = '('
1673     Need char = ')'
1674     (ab(xy)cd)pqr
1675     0: (ab(xy)cd)
1676     1: cd
1677     1(abcd)(x(y)z)pqr
1678     0: (abcd)
1679     1: abcd
1680     0: (x(y)z)
1681     1: z
1682    
1683     /\( (?: (?>[^()]+) | (?R) ) \) /x
1684     Capturing subpattern count = 0
1685     Options: extended
1686     First char = '('
1687     Need char = ')'
1688     (abcd)
1689     0: (abcd)
1690     (ab(xy)cd)
1691     0: (xy)
1692     (a(b(c)d)e)
1693     0: (c)
1694     ((ab))
1695     0: ((ab))
1696     *** Failers
1697     No match
1698     ()
1699     No match
1700    
1701     /\( (?: (?>[^()]+) | (?R) )? \) /x
1702     Capturing subpattern count = 0
1703     Options: extended
1704     First char = '('
1705     Need char = ')'
1706     ()
1707     0: ()
1708     12(abcde(fsh)xyz(foo(bar))lmno)89
1709     0: (fsh)
1710    
1711     /\( ( (?>[^()]+) | (?R) )* \) /x
1712     Capturing subpattern count = 1
1713     Options: extended
1714     First char = '('
1715     Need char = ')'
1716     (ab(xy)cd)
1717     0: (ab(xy)cd)
1718     1: cd
1719    
1720     /\( ( ( (?>[^()]+) | (?R) )* ) \) /x
1721     Capturing subpattern count = 2
1722     Options: extended
1723     First char = '('
1724     Need char = ')'
1725     (ab(xy)cd)
1726     0: (ab(xy)cd)
1727     1: ab(xy)cd
1728     2: cd
1729    
1730     /\( (123)? ( ( (?>[^()]+) | (?R) )* ) \) /x
1731     Capturing subpattern count = 3
1732     Options: extended
1733     First char = '('
1734     Need char = ')'
1735     (ab(xy)cd)
1736     0: (ab(xy)cd)
1737     1: <unset>
1738     2: ab(xy)cd
1739     3: cd
1740     (123ab(xy)cd)
1741     0: (123ab(xy)cd)
1742     1: 123
1743     2: ab(xy)cd
1744     3: cd
1745    
1746     /\( ( (123)? ( (?>[^()]+) | (?R) )* ) \) /x
1747     Capturing subpattern count = 3
1748     Options: extended
1749     First char = '('
1750     Need char = ')'
1751     (ab(xy)cd)
1752     0: (ab(xy)cd)
1753     1: ab(xy)cd
1754     2: <unset>
1755     3: cd
1756     (123ab(xy)cd)
1757     0: (123ab(xy)cd)
1758     1: 123ab(xy)cd
1759     2: 123
1760     3: cd
1761    
1762     /\( (((((((((( ( (?>[^()]+) | (?R) )* )))))))))) \) /x
1763     Capturing subpattern count = 11
1764     Options: extended
1765     First char = '('
1766     Need char = ')'
1767     (ab(xy)cd)
1768     0: (ab(xy)cd)
1769     1: ab(xy)cd
1770     2: ab(xy)cd
1771     3: ab(xy)cd
1772     4: ab(xy)cd
1773     5: ab(xy)cd
1774     6: ab(xy)cd
1775     7: ab(xy)cd
1776     8: ab(xy)cd
1777     9: ab(xy)cd
1778     10: ab(xy)cd
1779     11: cd
1780    
1781     /\( ( ( (?>[^()<>]+) | ((?>[^()]+)) | (?R) )* ) \) /x
1782     Capturing subpattern count = 3
1783     Options: extended
1784     First char = '('
1785     Need char = ')'
1786     (abcd(xyz<p>qrs)123)
1787     0: (abcd(xyz<p>qrs)123)
1788     1: abcd(xyz<p>qrs)123
1789     2: 123
1790     3: <p>qrs
1791    
1792     /\( ( ( (?>[^()]+) | ((?R)) )* ) \) /x
1793     Capturing subpattern count = 3
1794     Options: extended
1795     First char = '('
1796     Need char = ')'
1797     (ab(cd)ef)
1798     0: (ab(cd)ef)
1799     1: ab(cd)ef
1800     2: ef
1801     3: (cd)
1802     (ab(cd(ef)gh)ij)
1803     0: (ab(cd(ef)gh)ij)
1804     1: ab(cd(ef)gh)ij
1805     2: ij
1806     3: (cd(ef)gh)
1807    
1808     /^[[:alnum:]]/D
1809     ------------------------------------------------------------------
1810     0 37 Bra 0
1811     3 ^
1812     4 [0-9A-Za-z]
1813     37 37 Ket
1814     40 End
1815     ------------------------------------------------------------------
1816     Capturing subpattern count = 0
1817     Options: anchored
1818     No first char
1819     No need char
1820    
1821     /^[[:alpha:]]/D
1822     ------------------------------------------------------------------
1823     0 37 Bra 0
1824     3 ^
1825     4 [A-Za-z]
1826     37 37 Ket
1827     40 End
1828     ------------------------------------------------------------------
1829     Capturing subpattern count = 0
1830     Options: anchored
1831     No first char
1832     No need char
1833    
1834     /^[[:ascii:]]/D
1835     ------------------------------------------------------------------
1836     0 37 Bra 0
1837     3 ^
1838     4 [\x00-\x7f]
1839     37 37 Ket
1840     40 End
1841     ------------------------------------------------------------------
1842     Capturing subpattern count = 0
1843     Options: anchored
1844     No first char
1845     No need char
1846    
1847     /^[[:cntrl:]]/D
1848     ------------------------------------------------------------------
1849     0 37 Bra 0
1850     3 ^
1851     4 [\x00-\x1f\x7f]
1852     37 37 Ket
1853     40 End
1854     ------------------------------------------------------------------
1855     Capturing subpattern count = 0
1856     Options: anchored
1857     No first char
1858     No need char
1859    
1860     /^[[:digit:]]/D
1861     ------------------------------------------------------------------
1862     0 37 Bra 0
1863     3 ^
1864     4 [0-9]
1865     37 37 Ket
1866     40 End
1867     ------------------------------------------------------------------
1868     Capturing subpattern count = 0
1869     Options: anchored
1870     No first char
1871     No need char
1872    
1873     /^[[:graph:]]/D
1874     ------------------------------------------------------------------
1875     0 37 Bra 0
1876     3 ^
1877     4 [!-~]
1878     37 37 Ket
1879     40 End
1880     ------------------------------------------------------------------
1881     Capturing subpattern count = 0
1882     Options: anchored
1883     No first char
1884     No need char
1885    
1886     /^[[:lower:]]/D
1887     ------------------------------------------------------------------
1888     0 37 Bra 0
1889     3 ^
1890     4 [a-z]
1891     37 37 Ket
1892     40 End
1893     ------------------------------------------------------------------
1894     Capturing subpattern count = 0
1895     Options: anchored
1896     No first char
1897     No need char
1898    
1899     /^[[:print:]]/D
1900     ------------------------------------------------------------------
1901     0 37 Bra 0
1902     3 ^
1903     4 [ -~]
1904     37 37 Ket
1905     40 End
1906     ------------------------------------------------------------------
1907     Capturing subpattern count = 0
1908     Options: anchored
1909     No first char
1910     No need char
1911    
1912     /^[[:punct:]]/D
1913     ------------------------------------------------------------------
1914     0 37 Bra 0
1915     3 ^
1916     4 [!-/:-@[-`{-~]
1917     37 37 Ket
1918     40 End
1919     ------------------------------------------------------------------
1920     Capturing subpattern count = 0
1921     Options: anchored
1922     No first char
1923     No need char
1924    
1925     /^[[:space:]]/D
1926     ------------------------------------------------------------------
1927     0 37 Bra 0
1928     3 ^
1929     4 [\x09-\x0d ]
1930     37 37 Ket
1931     40 End
1932     ------------------------------------------------------------------
1933     Capturing subpattern count = 0
1934     Options: anchored
1935     No first char
1936     No need char
1937    
1938     /^[[:upper:]]/D
1939     ------------------------------------------------------------------
1940     0 37 Bra 0
1941     3 ^
1942     4 [A-Z]
1943     37 37 Ket
1944     40 End
1945     ------------------------------------------------------------------
1946     Capturing subpattern count = 0
1947     Options: anchored
1948     No first char
1949     No need char
1950    
1951     /^[[:xdigit:]]/D
1952     ------------------------------------------------------------------
1953     0 37 Bra 0
1954     3 ^
1955     4 [0-9A-Fa-f]
1956     37 37 Ket
1957     40 End
1958     ------------------------------------------------------------------
1959     Capturing subpattern count = 0
1960     Options: anchored
1961     No first char
1962     No need char
1963    
1964     /^[[:word:]]/D
1965     ------------------------------------------------------------------
1966     0 37 Bra 0
1967     3 ^
1968     4 [0-9A-Z_a-z]
1969     37 37 Ket
1970     40 End
1971     ------------------------------------------------------------------
1972     Capturing subpattern count = 0
1973     Options: anchored
1974     No first char
1975     No need char
1976    
1977     /^[[:^cntrl:]]/D
1978     ------------------------------------------------------------------
1979     0 37 Bra 0
1980     3 ^
1981     4 [ -~\x80-\xff]
1982     37 37 Ket
1983     40 End
1984     ------------------------------------------------------------------
1985     Capturing subpattern count = 0
1986     Options: anchored
1987     No first char
1988     No need char
1989    
1990     /^[12[:^digit:]]/D
1991     ------------------------------------------------------------------
1992     0 37 Bra 0
1993     3 ^
1994     4 [\x00-/1-2:-\xff]
1995     37 37 Ket
1996     40 End
1997     ------------------------------------------------------------------
1998     Capturing subpattern count = 0
1999     Options: anchored
2000     No first char
2001     No need char
2002    
2003     /[01[:alpha:]%]/D
2004     ------------------------------------------------------------------
2005     0 36 Bra 0
2006     3 [%0-1A-Za-z]
2007     36 36 Ket
2008     39 End
2009     ------------------------------------------------------------------
2010     Capturing subpattern count = 0
2011     No options
2012     No first char
2013     No need char
2014    
2015     /[[.ch.]]/
2016     Failed: POSIX collating elements are not supported at offset 1
2017    
2018     /[[=ch=]]/
2019     Failed: POSIX collating elements are not supported at offset 1
2020    
2021     /[[:rhubarb:]]/
2022     Failed: unknown POSIX class name at offset 3
2023    
2024     /[[:upper:]]/i
2025     Capturing subpattern count = 0
2026     Options: caseless
2027     No first char
2028     No need char
2029     A
2030     0: A
2031     a
2032     0: a
2033    
2034     /[[:lower:]]/i
2035     Capturing subpattern count = 0
2036     Options: caseless
2037     No first char
2038     No need char
2039     A
2040     0: A
2041     a
2042     0: a
2043    
2044     /((?-i)[[:lower:]])[[:lower:]]/i
2045     Capturing subpattern count = 1
2046     Options: caseless
2047     Case state changes
2048     No first char
2049     No need char
2050     ab
2051     0: ab
2052     1: a
2053     aB
2054     0: aB
2055     1: a
2056     *** Failers
2057     0: ai
2058     1: a
2059     Ab
2060     No match
2061     AB
2062     No match
2063    
2064 nigel 49 /[\200-\410]/
2065     Failed: range out of order in character class at offset 9
2066    
2067 nigel 51 /^(?(0)f|b)oo/
2068     Failed: invalid condition (?(0) at offset 5
2069    
2070 nigel 53 /This one's here because of the large output vector needed/
2071     Capturing subpattern count = 0
2072     No options
2073     First char = 'T'
2074     Need char = 'd'
2075    
2076     /(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\w+)\s+(\270)/
2077     Capturing subpattern count = 271
2078     Max back reference = 270
2079     No options
2080     No first char
2081     No need char
2082     \O900 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 ABC ABC
2083     0: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 ABC ABC
2084     1: 1
2085     2: 2
2086     3: 3
2087     4: 4
2088     5: 5
2089     6: 6
2090     7: 7
2091     8: 8
2092     9: 9
2093     10: 10
2094     11: 11
2095     12: 12
2096     13: 13
2097     14: 14
2098     15: 15
2099     16: 16
2100     17: 17
2101     18: 18
2102     19: 19
2103     20: 20
2104     21: 21
2105     22: 22
2106     23: 23
2107     24: 24
2108     25: 25
2109     26: 26
2110     27: 27
2111     28: 28
2112     29: 29
2113     30: 30
2114     31: 31
2115     32: 32
2116     33: 33
2117     34: 34
2118     35: 35
2119     36: 36
2120     37: 37
2121     38: 38
2122     39: 39
2123     40: 40
2124     41: 41
2125     42: 42
2126     43: 43
2127     44: 44
2128     45: 45
2129     46: 46
2130     47: 47
2131     48: 48
2132     49: 49
2133     50: 50
2134     51: 51
2135     52: 52
2136     53: 53
2137     54: 54
2138     55: 55
2139     56: 56
2140     57: 57
2141     58: 58
2142     59: 59
2143     60: 60
2144     61: 61
2145     62: 62
2146     63: 63
2147     64: 64
2148     65: 65
2149     66: 66
2150     67: 67
2151     68: 68
2152     69: 69
2153     70: 70
2154     71: 71
2155     72: 72
2156     73: 73
2157     74: 74
2158     75: 75
2159     76: 76
2160     77: 77
2161     78: 78
2162     79: 79
2163     80: 80
2164     81: 81
2165     82: 82
2166     83: 83
2167     84: 84
2168     85: 85
2169     86: 86
2170     87: 87
2171     88: 88
2172     89: 89
2173     90: 90
2174     91: 91
2175     92: 92
2176     93: 93
2177     94: 94
2178     95: 95
2179     96: 96
2180     97: 97
2181     98: 98
2182     99: 99
2183     100: 100
2184     101: 101
2185     102: 102
2186     103: 103
2187     104: 104
2188     105: 105
2189     106: 106
2190     107: 107
2191     108: 108
2192     109: 109
2193     110: 110
2194     111: 111
2195     112: 112
2196     113: 113
2197     114: 114
2198     115: 115
2199     116: 116
2200     117: 117
2201     118: 118
2202     119: 119
2203     120: 120
2204     121: 121
2205     122: 122
2206     123: 123
2207     124: 124
2208     125: 125
2209     126: 126
2210     127: 127
2211     128: 128
2212     129: 129
2213     130: 130
2214     131: 131
2215     132: 132
2216     133: 133
2217     134: 134
2218     135: 135
2219     136: 136
2220     137: 137
2221     138: 138
2222     139: 139
2223     140: 140
2224     141: 141
2225     142: 142
2226     143: 143
2227     144: 144
2228     145: 145
2229     146: 146
2230     147: 147
2231     148: 148
2232     149: 149
2233     150: 150
2234     151: 151
2235     152: 152
2236     153: 153
2237     154: 154
2238     155: 155
2239     156: 156
2240     157: 157
2241     158: 158
2242     159: 159
2243     160: 160
2244     161: 161
2245     162: 162
2246     163: 163
2247     164: 164
2248     165: 165
2249     166: 166
2250     167: 167
2251     168: 168
2252     169: 169
2253     170: 170
2254     171: 171
2255     172: 172
2256     173: 173
2257     174: 174
2258     175: 175
2259     176: 176
2260     177: 177
2261     178: 178
2262     179: 179
2263     180: 180
2264     181: 181
2265     182: 182
2266     183: 183
2267     184: 184
2268     185: 185
2269     186: 186
2270     187: 187
2271     188: 188
2272     189: 189
2273     190: 190
2274     191: 191
2275     192: 192
2276     193: 193
2277     194: 194
2278     195: 195
2279     196: 196
2280     197: 197
2281     198: 198
2282     199: 199
2283     200: 200
2284     201: 201
2285     202: 202
2286     203: 203
2287     204: 204
2288     205: 205
2289     206: 206
2290     207: 207
2291     208: 208
2292     209: 209
2293     210: 210
2294     211: 211
2295     212: 212
2296     213: 213
2297     214: 214
2298     215: 215
2299     216: 216
2300     217: 217
2301     218: 218
2302     219: 219
2303     220: 220
2304     221: 221
2305     222: 222
2306     223: 223
2307     224: 224
2308     225: 225
2309     226: 226
2310     227: 227
2311     228: 228
2312     229: 229
2313     230: 230
2314     231: 231
2315     232: 232
2316     233: 233
2317     234: 234
2318     235: 235
2319     236: 236
2320     237: 237
2321     238: 238
2322     239: 239
2323     240: 240
2324     241: 241
2325     242: 242
2326     243: 243
2327     244: 244
2328     245: 245
2329     246: 246
2330     247: 247
2331     248: 248
2332     249: 249
2333     250: 250
2334     251: 251
2335     252: 252
2336     253: 253
2337     254: 254
2338     255: 255
2339     256: 256
2340     257: 257
2341     258: 258
2342     259: 259
2343     260: 260
2344     261: 261
2345     262: 262
2346     263: 263
2347     264: 264
2348     265: 265
2349     266: 266
2350     267: 267
2351     268: 268
2352     269: 269
2353     270: ABC
2354     271: ABC
2355    
2356     /This one's here because Perl does this differently and PCRE can't at present/
2357     Capturing subpattern count = 0
2358     No options
2359     First char = 'T'
2360     Need char = 't'
2361    
2362     /(main(O)?)+/
2363     Capturing subpattern count = 2
2364     No options
2365     First char = 'm'
2366     Need char = 'n'
2367     mainmain
2368     0: mainmain
2369     1: main
2370     mainOmain
2371     0: mainOmain
2372     1: main
2373     2: O
2374    
2375 nigel 49 / End of testinput2 /
2376 nigel 43 Capturing subpattern count = 0
2377 nigel 41 No options
2378     First char = ' '
2379 nigel 43 Need char = ' '
2380 nigel 41

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