/[pcre]/code/trunk/testdata/testoutput2

Diff of /code/trunk/testdata/testoutput2

Parent Directory | Revision Log | View Patch Patch

-revision 49 by nigel,
Sat Feb 24 21:39:33 2007 UTC
+revision 81 by nigel,
Sat Feb 24 21:40:59 2007 UTC
 Line 1
- PCRE version 3.3 01-Aug-2000
+ PCRE version 6.2 01-Aug-2005
  /(a)b|/
  Capturing subpattern count = 1
 Line 28 
 No match
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 'c'
+ No need char
      abc
 : abc
      \Aabc
 Line 42 
 No match
  /a+bc/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  Need char = 'c'
  /a*bc/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  No first char
  Need char = 'c'
  /a{3}bc/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  Need char = 'c'
  /(abc|a+z)/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 68 
 No need char
+Line 72 
 No need char
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 'c'
+ No need char
      abc
 : abc
      *** Failers
-Line 91 
 Failed: number too big in {} quantifier
+Line 95 
 Failed: number too big in {} quantifier
  /[abcd/
  Failed: missing terminating ] for character class at offset 5
- /[\B]/
+ /(?X)[\B]/
- Failed: invalid escape sequence in character class at offset 2
+ Failed: invalid escape sequence in character class at offset 6
  /[z-a]/
  Failed: range out of order in character class at offset 3
-Line 111 
 Failed: unrecognized character after (?
+Line 115 
 Failed: unrecognized character after (?
  /.*b/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char at start or follows \n
  Need char = 'b'
  /.*?b/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char at start or follows \n
  Need char = 'b'
-Line 136 
 Capturing subpattern count = 0
+Line 142 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
- Starting character set: c d e
+ Starting byte set: c d e
      this sentence eventually mentions a cat
 : cat
      this sentences rambles on and on for a while and then reaches elephant
-Line 147 
 Capturing subpattern count = 0
+Line 153 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
- Starting character set: C D E c d e
+ Starting byte set: C D E c d e
      this sentence eventually mentions a CAT cat
 : CAT
      this sentences rambles on and on for a while to elephant ElePhant
-Line 158 
 Capturing subpattern count = 0
+Line 164 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
- Starting character set: a b c d
+ Starting byte set: a b c d
  /(a|[^\dZ])/S
  Capturing subpattern count = 1
  No options
  No first char
  No need char
- Starting character set: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a
+ Starting byte set: \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 \x20 ! " # $ % & ' ( ) * + , - . / : ; < = >
    ? @ 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
-Line 185 
 Capturing subpattern count = 1
+Line 191 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
- Starting character set: \x09 \x0a \x0b \x0c \x0d \x20 a b
+ Starting byte set: \x09 \x0a \x0c \x0d \x20 a b
  /(ab\2)/
- Failed: back reference to non-existent subpattern at offset 6
+ Failed: reference to non-existent subpattern at offset 6
  /{4,5}abc/
  Failed: nothing to repeat at offset 4
-Line 281 
 No match
+Line 287 
 No match
  No match
  /(a)(b)(c)(d)(e)\6/
- Failed: back reference to non-existent subpattern at offset 17
+ Failed: reference to non-existent subpattern at offset 17
  /the quick brown fox/
  Capturing subpattern count = 0
-Line 297 
 Need char = 'x'
+Line 303 
 Need char = 'x'
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 'x'
+ No need char
      the quick brown fox
 : the quick brown fox
      *** Failers
-Line 320 
 No need char
+Line 326 
 No need char
  /.*((abc)$|(def))/
  Capturing subpattern count = 3
+ Partial matching not supported
  No options
  First char at start or follows \n
  No need char
-Line 396 
 Failed: missing terminating ] for charac
+Line 403 
 Failed: missing terminating ] for charac
  /[^aeiou ]{3,}/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  No first char
  No need char
-Line 404 
 No need char
+Line 412 
 No need char
  /<.*>/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 412 
 Need char = '>'
+Line 421 
 Need char = '>'
  /<.*?>/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 420 
 Need char = '>'
+Line 430 
 Need char = '>'
  /<.*>/U
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
      abc<def>ghi<klm>nop
 : <def>
- /<.*>(?U)/
+ /(?U)<.*>/
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 436 
 Need char = '>'
+Line 448 
 Need char = '>'
  /<.*?>/U
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 444 
 Need char = '>'
+Line 457 
 Need char = '>'
  /={3,}/U
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 452 
 Need char = '='
+Line 466 
 Need char = '='
  /(?U)={3,}?/
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 486 
 Failed: lookbehind assertion is not fixe
+Line 501 
 Failed: lookbehind assertion is not fixe
  /(?i)abc/
  Capturing subpattern count = 0
  Options: caseless
- First char = 'a'
+ First char = 'a' (caseless)
- Need char = 'c'
+ Need char = 'c' (caseless)
  /(a|(?m)a)/
  Capturing subpattern count = 1
-Line 499 
 No need char
+Line 514 
 No need char
  Capturing subpattern count = 0
  Options: anchored caseless
  No first char
- Need char = '4'
+ No need char
  /(^b|(?i)^d)/
  Capturing subpattern count = 1
-Line 510 
 No need char
+Line 525 
 No need char
  /(?s).*/
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 519 
 Capturing subpattern count = 0
+Line 535 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
- Starting character set: a b c d
+ Starting byte set: a b c d
  /(?i)[abcd]/S
  Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
- Starting character set: A B C D a b c d
+ Starting byte set: A B C D a b c d
  /(?m)[xy]|(b|c)/S
  Capturing subpattern count = 1
  Options: multiline
  No first char
  No need char
- Starting character set: b c x y
+ Starting byte set: b c x y
  /(^a|^b)/m
  Capturing subpattern count = 1
-Line 563 
 Failed: assertion expected after (?( at
+Line 579 
 Failed: assertion expected after (?( at
  Failed: assertion expected after (?( at offset 3
  /(?(?<ab))/
- Failed: unrecognized character after (?< at offset 2
+ Failed: unrecognized character after (?< at offset 5
  /((?s)blah)\s+\1/
  Capturing subpattern count = 1
  Max back reference = 1
+ Partial matching not supported
  No options
  First char = 'b'
  Need char = 'h'
-Line 575 
 Need char = 'h'
+Line 592 
 Need char = 'h'
  /((?i)blah)\s+\1/
  Capturing subpattern count = 1
  Max back reference = 1
+ Partial matching not supported
  No options
  Case state changes
- No first char
+ First char = 'b' (caseless)
- Need char = 'h'
+ Need char = 'h' (caseless)
  /((?i)b)/DS
  ------------------------------------------------------------------
- 16 Bra 0
+ 15 Bra 0
-  8 Bra 1
+  7 Bra 1
  01 Opt
-  1 b
+ NC b
-  8 Ket
+  7 Ket
  00 Opt
- 16 Ket
+ 15 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
  No options
  Case state changes
- No first char
+ First char = 'b' (caseless)
- Need char = 'b'
+ No need char
- Starting character set: B b
+ Study returned NULL
  /(a*b|(?i:c*(?-i)d))/S
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  Case state changes
  No first char
  No need char
- Starting character set: C a b c d
+ Starting byte set: C a b c d
  /a$/
  Capturing subpattern count = 0
-Line 642 
 No match
+Line 661 
 No match
  Capturing subpattern count = 0
  Options: anchored multiline
  No first char
- Need char = 'c'
+ No need char
  /^abc/m
  Capturing subpattern count = 0
-Line 652 
 Need char = 'c'
+Line 671 
 Need char = 'c'
  /^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/
  Capturing subpattern count = 5
+ Partial matching not supported
  Options: anchored
  No first char
- Need char = 'a'
+ No need char
    aaaaabbbbbcccccdef
 : aaaaabbbbbcccccdef
 : aaaaabbbbbcccccdef
-Line 668 
 Capturing subpattern count = 0
+Line 688 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
- Starting character set: a b
+ Starting byte set: a b
  /(?<!foo)(alpha|omega)/S
  Capturing subpattern count = 1
  No options
  No first char
  Need char = 'a'
- Starting character set: a o
+ Starting byte set: a o
  /(?!alphabet)[ab]/S
  Capturing subpattern count = 0
  No options
  No first char
  No need char
- Starting character set: a b
+ Starting byte set: a b
  /(?<=foo\n)^bar/m
  Capturing subpattern count = 0
  Options: multiline
+ No first char
+ Need char = 'r'
+     foo\nbarbar
+: bar
+     ***Failers
+ No match
+     rhubarb
+ No match
+     barbell
+ No match
+     abc\nbarton
+ No match
+ /^(?<=foo\n)bar/m
+ Capturing subpattern count = 0
+ Options: multiline
  First char at start or follows \n
  Need char = 'r'
+     foo\nbarbar
+: bar
+     ***Failers
+ No match
+     rhubarb
+ No match
+     barbell
+ No match
+     abc\nbarton
+ No match
  /(?>^abc)/m
  Capturing subpattern count = 0
-Line 744 
 No need char
+Line 790 
 No need char
  /(?>.*)(?<=(abcd)|(xyz))/
  Capturing subpattern count = 2
+ Partial matching not supported
  No options
  First char at start or follows \n
  No need char
-Line 825 
 Capturing subpattern count = 1
+Line 872 
 Capturing subpattern count = 1
  Max back reference = 1
  Options: anchored
  No first char
- Need char = 'a'
+ No need char
      aaaaaa
 : aaaaaa
 : aa
-Line 864 
 Failed: nothing to repeat at offset 2
+Line 911 
 Failed: nothing to repeat at offset 2
  Failed: unmatched parentheses at offset 0
  /\1/
- Failed: back reference to non-existent subpattern at offset 2
+ Failed: reference to non-existent subpattern at offset 2
  /\2/
- Failed: back reference to non-existent subpattern at offset 2
+ Failed: reference to non-existent subpattern at offset 2
  /(a)|\2/
- Failed: back reference to non-existent subpattern at offset 6
+ Failed: reference to non-existent subpattern at offset 6
  /a[b-a]/i
  Failed: range out of order in character class at offset 4
-Line 903 
 Failed: unmatched parentheses at offset
+Line 950 
 Failed: unmatched parentheses at offset
  Failed: missing ) at offset 4
  /(?<%)b/
- Failed: unrecognized character after (?< at offset 0
+ Failed: unrecognized character after (?< at offset 3
  /a(?{)b/
  Failed: unrecognized character after (? at offset 3
-Line 966 
 copy substring 5 failed -7
+Line 1013 
 copy substring 5 failed -7
  /(.{20})/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  No first char
  No need char
-Line 983 
 copy substring 1 failed -6
+Line 1031 
 copy substring 1 failed -6
  /(.{15})/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  No first char
  No need char
-Line 997 
 No need char
+Line 1046 
 No need char
  /(.{16})/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  No first char
  No need char
-Line 1015 
 copy substring 1 failed -6
+Line 1065 
 copy substring 1 failed -6
  Capturing subpattern count = 3
  Options: anchored
  No first char
- Need char = 'f'
+ No need char
      adef\G1\G2\G3\G4\L
 : adef
 : a
-Line 1053 
 get substring 4 failed -7
+Line 1103 
 get substring 4 failed -7
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 'f'
+ No need char
      abc\00def\L\C0
 : abc\x00def
 C abc (7)
-Line 1062 
 Need char = 'f'
+Line 1112 
 Need char = 'f'
  /word ((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
  )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
  )?)?)?)?)?)?)?)?)?otherword/M
- Memory allocation (code space): 428
+ Memory allocation (code space): 432
  Capturing subpattern count = 8
+ Partial matching not supported
  No options
  First char = 'w'
  Need char = 'd'
  /.*X/D
  ------------------------------------------------------------------
-  8 Bra 0
+  7 Bra 0
     Any*
-  1 X
+    X
-  8 Ket
+  7 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char at start or follows \n
  Need char = 'X'
  /.*X/Ds
  ------------------------------------------------------------------
-  8 Bra 0
+  7 Bra 0
     Any*
-  1 X
+    X
-  8 Ket
+  7 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'X'
  /(.*X|^B)/D
  ------------------------------------------------------------------
- 21 Bra 0
+ 19 Bra 0
-  8 Bra 1
+  7 Bra 1
     Any*
-  1 X
+    X
-  7 Alt
+  6 Alt
     ^
-  1 B
+    B
- 15 Ket
+ 13 Ket
- 21 Ket
+ 19 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  First char at start or follows \n
  No need char
  /(.*X|^B)/Ds
  ------------------------------------------------------------------
- 21 Bra 0
+ 19 Bra 0
-  8 Bra 1
+  7 Bra 1
     Any*
-  1 X
+    X
-  7 Alt
+  6 Alt
     ^
-  1 B
+    B
- 15 Ket
+ 13 Ket
- 21 Ket
+ 19 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
+ Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
  /(?s)(.*X|^B)/D
  ------------------------------------------------------------------
- 21 Bra 0
+ 19 Bra 0
-  8 Bra 1
+  7 Bra 1
     Any*
-  1 X
+    X
-  7 Alt
+  6 Alt
     ^
-  1 B
+    B
- 15 Ket
+ 13 Ket
- 21 Ket
+ 19 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
+ Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
  /(?s:.*X|^B)/D
  ------------------------------------------------------------------
- 27 Bra 0
+ 25 Bra 0
- 10 Bra 0
+  9 Bra 0
  04 Opt
     Any*
-  1 X
+    X
-  9 Alt
+  8 Alt
  04 Opt
     ^
-  1 B
+    B
- 19 Ket
+ 17 Ket
  00 Opt
- 27 Ket
+ 25 Ket
     End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char at start or follows \n
  No need char
-Line 1242 
 Need char = 's'
+Line 1299 
 Need char = 's'
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 's'
+ No need char
      ississippi
 : iss
 + issippi
  /.*iss/g+
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char at start or follows \n
  Need char = 's'
-Line 1292 
 Need char = 'i'
+Line 1350 
 Need char = 'i'
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 's'
+ No need char
      Mississippi
 : Mis
 + sissippi
-Line 1301 
 Need char = 's'
+Line 1359 
 Need char = 's'
  Capturing subpattern count = 0
  Options: anchored
  No first char
- Need char = 10
+ No need char
      ab\nab\ncd
 : ab\x0a
 + ab\x0acd
-Line 1349 
 Need char = 'c'
+Line 1407 
 Need char = 'c'
  /a*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  No first char
  No need char
  /a+/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
  /(baa|a+)/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  No first char
  Need char = 'a'
  /a{0,3}/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  No first char
  No need char
  /baa{3,}/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'b'
  Need char = 'a'
  /"([^\\"]+|\\.)*"/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  First char = '"'
  Need char = '"'
-Line 1433 
 Need char = 'b'
+Line 1497 
 Need char = 'b'
  /abc*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
  /ab.c*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
  /a.c*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
  /.c*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  No first char
  No need char
  /ac*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
  /(a.c*|b.c*)/
  Capturing subpattern count = 1
+ Partial matching not supported
  No options
  No first char
  No need char
  /a.c*|aba/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
  /.+a/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  No first char
  Need char = 'a'
  /(?=abcda)a.*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
- No need char
+ Need char = 'a'
  /(?=a)a.*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 1499 
 No need char
+Line 1573 
 No need char
  /a\d*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  No need char
  /ab\d*/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 1523 
 Need char = 'd'
+Line 1599 
 Need char = 'd'
  /ab\d+/
  Capturing subpattern count = 0
+ Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 1640 
 Study returned NULL
+Line 1717 
 Study returned NULL
    \)            # Closing )
    /x
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1668 
 No match
+Line 1746 
 No match
  /\(  ( (?>[^()]+) | (?R) )* \) /xg
  Capturing subpattern count = 1
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1682 
 Need char = ')'
+Line 1761 
 Need char = ')'
  /\(  (?: (?>[^()]+) | (?R) ) \) /x
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1700 
 No match
+Line 1780 
 No match
  /\(  (?: (?>[^()]+) | (?R) )? \) /x
  Capturing subpattern count = 0
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1710 
 Need char = ')'
+Line 1791 
 Need char = ')'
  /\(  ( (?>[^()]+) | (?R) )* \) /x
  Capturing subpattern count = 1
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1719 
 Need char = ')'
+Line 1801 
 Need char = ')'
  /\( ( ( (?>[^()]+) | (?R) )* ) \) /x
  Capturing subpattern count = 2
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1729 
 Need char = ')'
+Line 1812 
 Need char = ')'
  /\( (123)? ( ( (?>[^()]+) | (?R) )* ) \) /x
  Capturing subpattern count = 3
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1745 
 Need char = ')'
+Line 1829 
 Need char = ')'
  /\( ( (123)? ( (?>[^()]+) | (?R) )* ) \) /x
  Capturing subpattern count = 3
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1761 
 Need char = ')'
+Line 1846 
 Need char = ')'
  /\( (((((((((( ( (?>[^()]+) | (?R) )* )))))))))) \) /x
  Capturing subpattern count = 11
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1780 
 Need char = ')'
+Line 1866 
 Need char = ')'
  /\( ( ( (?>[^()<>]+) | ((?>[^()]+)) | (?R) )* ) \) /x
  Capturing subpattern count = 3
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1787 
 Need char = ')'
+Line 1874 
 Need char = ')'
 : (abcd(xyz<p>qrs)123)
 : abcd(xyz<p>qrs)123
 : 123
-: <p>qrs
+: <unset>
  /\( ( ( (?>[^()]+) | ((?R)) )* ) \) /x
  Capturing subpattern count = 3
+ Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1818 
 Options: anchored
+Line 1906 
 Options: anchored
  No first char
  No need char
+ /^[[:^alnum:]]/D
+ ------------------------------------------------------------------
+ 37 Bra 0
+    ^
+    [\x00-/:-@[-`{-\xff]
+ 37 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: anchored
+ No first char
+ No need char
  /^[[:alpha:]]/D
  ------------------------------------------------------------------
  37 Bra 0
-Line 1830 
 Capturing subpattern count = 0
+Line 1931 
 Capturing subpattern count = 0
  Options: anchored
  No first char
  No need char
+ /^[[:^alpha:]]/D
+ ------------------------------------------------------------------
+ 37 Bra 0
+    ^
+    [\x00-@[-`{-\xff]
+ 37 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: anchored
+ No first char
+ No need char
  /^[[:ascii:]]/D
  ------------------------------------------------------------------
-Line 1844 
 Options: anchored
+Line 1958 
 Options: anchored
  No first char
  No need char
+ /^[[:^ascii:]]/D
+ ------------------------------------------------------------------
+ 37 Bra 0
+    ^
+    [\x80-\xff]
+ 37 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: anchored
+ No first char
+ No need char
+ /^[[:blank:]]/D
+ ------------------------------------------------------------------
+ 37 Bra 0
+    ^
+    [\x09 ]
+ 37 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: anchored
+ No first char
+ No need char
  /^[[:cntrl:]]/D
  ------------------------------------------------------------------
  37 Bra 0
-Line 1991 
 No need char
+Line 2131 
 No need char
  ------------------------------------------------------------------
  37 Bra 0
     ^
-    [\x00-/1-2:-\xff]
+    [\x00-/12:-\xff]
+ 37 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: anchored
+ No first char
+ No need char
+ /^[[:^blank:]]/D
+ ------------------------------------------------------------------
+ 37 Bra 0
+    ^
+    [\x00-\x08\x0a-\x1f!-\xff]
  37 Ket
     End
  ------------------------------------------------------------------
-Line 2003 
 No need char
+Line 2156 
 No need char
  /[01[:alpha:]%]/D
  ------------------------------------------------------------------
  36 Bra 0
-    [%0-1A-Za-z]
+    [%01A-Za-z]
  36 Ket
     End
  ------------------------------------------------------------------
-Line 2064 
 No match
+Line 2217 
 No match
  /[\200-\410]/
  Failed: range out of order in character class at offset 9
- / End of testinput2 /
+ /^(?(0)f|b)oo/
+ Failed: invalid condition (?(0) at offset 5
+ /This one's here because of the large output vector needed/
  Capturing subpattern count = 0
  No options
- First char = ' '
+ First char = 'T'
- Need char = ' '
+ Need char = 'd'
+ /(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\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)/
+ Capturing subpattern count = 271
+ Max back reference = 270
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+     \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
+: 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
+: 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
+ /This one's here because Perl does this differently and PCRE can't at present/
+ Capturing subpattern count = 0
+ No options
+ First char = 'T'
+ Need char = 't'
+ /(main(O)?)+/
+ Capturing subpattern count = 2
+ No options
+ First char = 'm'
+ Need char = 'n'
+     mainmain
+: mainmain
+: main
+     mainOmain
+: mainOmain
+: main
+: O
+ /These are all cases where Perl does it differently (nested captures)/
+ Capturing subpattern count = 1
+ No options
+ First char = 'T'
+ Need char = 's'
+ /^(a(b)?)+$/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     aba
+: aba
+: a
+: b
+ /^(aa(bb)?)+$/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: aa
+: bb
+ /^(aa|aa(bb))+$/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: aa
+: bb
+ /^(aa(bb)??)+$/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: aa
+: bb
+ /^(?:aa(bb)?)+$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: bb
+ /^(aa(b(b))?)+$/
+ Capturing subpattern count = 3
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: aa
+: bb
+: b
+ /^(?:aa(b(b))?)+$/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: bb
+: b
+ /^(?:aa(b(?:b))?)+$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: bb
+ /^(?:aa(bb(?:b))?)+$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     aabbbaa
+: aabbbaa
+: bbb
+ /^(?:aa(b(?:bb))?)+$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     aabbbaa
+: aabbbaa
+: bbb
+ /^(?:aa(?:b(b))?)+$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     aabbaa
+: aabbaa
+: b
+ /^(?:aa(?:b(bb))?)+$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     aabbbaa
+: aabbbaa
+: bb
+ /^(aa(b(bb))?)+$/
+ Capturing subpattern count = 3
+ Options: anchored
+ No first char
+ No need char
+     aabbbaa
+: aabbbaa
+: aa
+: bbb
+: bb
+ /^(aa(bb(bb))?)+$/
+ Capturing subpattern count = 3
+ Options: anchored
+ No first char
+ No need char
+     aabbbbaa
+: aabbbbaa
+: aa
+: bbbb
+: bb
+ /--------------------------------------------------------------------/
+ Capturing subpattern count = 0
+ No options
+ First char = '-'
+ Need char = '-'
+ /#/xMD
+ Memory allocation (code space): 7
+ ------------------------------------------------------------------
+  3 Bra 0
+  3 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: extended
+ No first char
+ No need char
+ /a#/xMD
+ Memory allocation (code space): 9
+ ------------------------------------------------------------------
+  5 Bra 0
+    a
+  5 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: extended
+ First char = 'a'
+ No need char
+ /[\s]/D
+ ------------------------------------------------------------------
+ 36 Bra 0
+    [\x09\x0a\x0c\x0d ]
+ 36 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /[\S]/D
+ ------------------------------------------------------------------
+ 36 Bra 0
+    [\x00-\x08\x0b\x0e-\x1f!-\xff]
+ 36 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /a(?i)b/D
+ ------------------------------------------------------------------
+  9 Bra 0
+    a
+ 01 Opt
+ NC b
+  9 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ Case state changes
+ First char = 'a'
+ Need char = 'b' (caseless)
+     ab
+: ab
+     aB
+: aB
+     *** Failers
+ No match
+     AB
+ No match
+ /(a(?i)b)/D
+ ------------------------------------------------------------------
+ 17 Bra 0
+  9 Bra 1
+    a
+ 01 Opt
+ NC b
+  9 Ket
+ 00 Opt
+ 17 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ No options
+ Case state changes
+ First char = 'a'
+ Need char = 'b' (caseless)
+     ab
+: ab
+: ab
+     aB
+: aB
+: aB
+     *** Failers
+ No match
+     AB
+ No match
+ /   (?i)abc/xD
+ ------------------------------------------------------------------
+  9 Bra 0
+ NC abc
+  9 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: caseless extended
+ First char = 'a' (caseless)
+ Need char = 'c' (caseless)
+ /#this is a comment
+   (?i)abc/xD
+ ------------------------------------------------------------------
+  9 Bra 0
+ NC abc
+  9 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options: caseless extended
+ First char = 'a' (caseless)
+ Need char = 'c' (caseless)
+ /123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890/D
+ ------------------------------------------------------------------
+603 Bra 0
+    123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+603 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = '1'
+ Need char = '0'
+ /\Q123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890/D
+ ------------------------------------------------------------------
+603 Bra 0
+    123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+603 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = '1'
+ Need char = '0'
+ /\Q\E/D
+ ------------------------------------------------------------------
+  3 Bra 0
+  3 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+     \
+:
+ /\Q\Ex/D
+ ------------------------------------------------------------------
+  5 Bra 0
+    x
+  5 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = 'x'
+ No need char
+ / \Q\E/D
+ ------------------------------------------------------------------
+  5 Bra 0
+  5 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = ' '
+ No need char
+ /a\Q\E/D
+ ------------------------------------------------------------------
+  5 Bra 0
+    a
+  5 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ No need char
+   abc
+: a
+   bca
+: a
+   bac
+: a
+ /a\Q\Eb/D
+ ------------------------------------------------------------------
+  7 Bra 0
+    ab
+  7 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'b'
+   abc
+: ab
+ /\Q\Eabc/D
+ ------------------------------------------------------------------
+  9 Bra 0
+    abc
+  9 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'c'
+ /x*+\w/D
+ ------------------------------------------------------------------
+ 12 Bra 0
+  5 Once
+    x*
+  5 Ket
+    \w
+ 12 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+     *** Failers
+: F
+     xxxxx
+ No match
+ /x?+/D
+ ------------------------------------------------------------------
+ 11 Bra 0
+  5 Once
+    x?
+  5 Ket
+ 11 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /x++/D
+ ------------------------------------------------------------------
+ 11 Bra 0
+  5 Once
+    x+
+  5 Ket
+ 11 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ First char = 'x'
+ No need char
+ /x{1,3}+/D
+ ------------------------------------------------------------------
+ 15 Bra 0
+  9 Once
+    x
+    x{,2}
+  9 Ket
+ 15 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ First char = 'x'
+ No need char
+ /(x)*+/D
+ ------------------------------------------------------------------
+ 18 Bra 0
+ 12 Once
+    Brazero
+  5 Bra 1
+    x
+  5 KetRmax
+ 12 Ket
+ 18 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ /^(\w++|\s++)*$/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ Options: anchored
+ No first char
+ No need char
+     now is the time for all good men to come to the aid of the party
+: now is the time for all good men to come to the aid of the party
+: party
+     *** Failers
+ No match
+     this is not a line with only words and spaces!
+ No match
+ /(\d++)(\w)/
+ Capturing subpattern count = 2
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+a
+: 12345a
+: 12345
+: a
+     *** Failers
+ No match
++
+ No match
+ /a++b/
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ First char = 'a'
+ Need char = 'b'
+     aaab
+: aaab
+ /(a++b)/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ First char = 'a'
+ Need char = 'b'
+     aaab
+: aaab
+: aaab
+ /(a++)b/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ First char = 'a'
+ Need char = 'b'
+     aaab
+: aaab
+: aaa
+ /([^()]++|\([^()]*\))+/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+     ((abc(ade)ufh()()x
+: abc(ade)ufh()()x
+: x
+ /\(([^()]++|\([^()]+\))+\)/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ First char = '('
+ Need char = ')'
+     (abc)
+: (abc)
+: abc
+     (abc(def)xyz)
+: (abc(def)xyz)
+: xyz
+     *** Failers
+ No match
+     ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ No match
+ /(abc){1,3}+/D
+ ------------------------------------------------------------------
+ 53 Bra 0
+ 47 Once
+  9 Bra 1
+    abc
+  9 Ket
+    Brazero
+ 28 Bra 0
+  9 Bra 1
+    abc
+  9 Ket
+    Brazero
+  9 Bra 1
+    abc
+  9 Ket
+ 28 Ket
+ 47 Ket
+ 53 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'c'
+ /a+?+/
+ Failed: nothing to repeat at offset 3
+ /a{2,3}?+b/
+ Failed: nothing to repeat at offset 7
+ /(?U)a+?+/
+ Failed: nothing to repeat at offset 7
+ /a{2,3}?+b/U
+ Failed: nothing to repeat at offset 7
+ /x(?U)a++b/D
+ ------------------------------------------------------------------
+ 15 Bra 0
+    x
+  5 Once
+    a+
+  5 Ket
+    b
+ 15 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ First char = 'x'
+ Need char = 'b'
+     xaaaab
+: xaaaab
+ /(?U)xa++b/D
+ ------------------------------------------------------------------
+ 15 Bra 0
+    x
+  5 Once
+    a+
+  5 Ket
+    b
+ 15 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ Options: ungreedy
+ First char = 'x'
+ Need char = 'b'
+     xaaaab
+: xaaaab
+ /^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/D
+ ------------------------------------------------------------------
+106 Bra 0
+    ^
+ 99 Bra 1
+  5 Bra 2
+    a+
+  5 Ket
+ 37 Bra 3
+    [ab]+?
+ 37 Ket
+ 37 Bra 4
+    [bc]+
+ 37 Ket
+  5 Bra 5
+    \w*
+  5 Ket
+ 99 Ket
+106 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 5
+ Partial matching not supported
+ Options: anchored
+ No first char
+ No need char
+ /^x(?U)a+b/D
+ ------------------------------------------------------------------
+ 10 Bra 0
+    ^
+    x
+    a+?
+    b
+ 10 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ Options: anchored
+ No first char
+ Need char = 'b'
+ /^x(?U)(a+)b/D
+ ------------------------------------------------------------------
+ 16 Bra 0
+    ^
+    x
+  5 Bra 1
+    a+?
+  5 Ket
+    b
+ 16 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ Partial matching not supported
+ Options: anchored
+ No first char
+ Need char = 'b'
+ /[.x.]/
+ Failed: POSIX collating elements are not supported at offset 0
+ /[=x=]/
+ Failed: POSIX collating elements are not supported at offset 0
+ /[:x:]/
+ Failed: POSIX named classes are supported only within a class at offset 0
+ /\l/
+ Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ /\L/
+ Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ /\N{name}/
+ Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ /\u/
+ Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ /\U/
+ Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ /[/
+ Failed: missing terminating ] for character class at offset 1
+ /[a-/
+ Failed: missing terminating ] for character class at offset 3
+ /[[:space:]/
+ Failed: missing terminating ] for character class at offset 10
+ /[\s]/DM
+ Memory allocation (code space): 40
+ ------------------------------------------------------------------
+ 36 Bra 0
+    [\x09\x0a\x0c\x0d ]
+ 36 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /[[:space:]]/DM
+ Memory allocation (code space): 40
+ ------------------------------------------------------------------
+ 36 Bra 0
+    [\x09-\x0d ]
+ 36 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /[[:space:]abcde]/DM
+ Memory allocation (code space): 40
+ ------------------------------------------------------------------
+ 36 Bra 0
+    [\x09-\x0d a-e]
+ 36 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /< (?: (?(R) \d++  | [^<>]*+) | (?R)) * >/x
+ Capturing subpattern count = 0
+ Partial matching not supported
+ Options: extended
+ First char = '<'
+ Need char = '>'
+     <>
+: <>
+     <abcd>
+: <abcd>
+     <abc <123> hij>
+: <abc <123> hij>
+     <abc <def> hij>
+: <def>
+     <abc<>def>
+: <abc<>def>
+     <abc<>
+: <>
+     *** Failers
+ No match
+     <abc
+ No match
+ |8J\$WE\<\.rX\+ix\[d1b\!H\#\?vV0vrK\:ZH1\=2M\>iV\;\?aPhFB\<\*vW\@QW\@sO9\}cfZA\-i\'w\%hKd6gt1UJP\,15_\#QY\$M\^Mss_U\/\]\&LK9\[5vQub\^w\[KDD\<EjmhUZ\?\.akp2dF\>qmj\;2\}YWFdYx\.Ap\]hjCPTP\(n28k\+3\;o\&WXqs\/gOXdr\$\:r\'do0\;b4c\(f_Gr\=\"\\4\)\[01T7ajQJvL\$W\~mL_sS\/4h\:x\*\[ZN\=KLs\&L5zX\/\/\>it\,o\:aU\(\;Z\>pW\&T7oP\'2K\^E\:x9\'c\[\%z\-\,64JQ5AeH_G\#KijUKghQw\^\\vea3a\?kka_G\$8\#\`\*kynsxzBLru\'\]k_\[7FrVx\}\^\=\$blx\>s\-N\%j\;D\*aZDnsw\:YKZ\%Q\.Kne9\#hP\?\+b3\(SOvL\,\^\;\&u5\@\?5C5Bhb\=m\-vEh_L15Jl\]U\)0RP6\{q\%L\^_z5E\'Dw6X\b|DM
+ Memory allocation (code space): 826
+ ------------------------------------------------------------------
+822 Bra 0
+    8J$WE<.rX+ix[d1b!H#?vV0vrK:ZH1=2M>iV;?aPhFB<*vW@QW@sO9}cfZA-i'w%hKd6gt1UJP,15_#QY$M^Mss_U/]&LK9[5vQub^w[KDD<EjmhUZ?.akp2dF>qmj;2}YWFdYx.Ap]hjCPTP(n28k+3;o&WXqs/gOXdr$:r'do0;b4c(f_Gr="\4)[01T7ajQJvL$W~mL_sS/4h:x*[ZN=KLs&L5zX//>it,o:aU(;Z>pW&T7oP'2K^E:x9'c[%z-,64JQ5AeH_G#KijUKghQw^\vea3a?kka_G$8#`*kynsxzBLru']k_[7FrVx}^=$blx>s-N%j;D*aZDnsw:YKZ%Q.Kne9#hP?+b3(SOvL,^;&u5@?5C5Bhb=m-vEh_L15Jl]U)0RP6{q%L^_z5E'Dw6X
+    \b
+822 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = '8'
+ Need char = 'X'
+ |\$\<\.X\+ix\[d1b\!H\#\?vV0vrK\:ZH1\=2M\>iV\;\?aPhFB\<\*vW\@QW\@sO9\}cfZA\-i\'w\%hKd6gt1UJP\,15_\#QY\$M\^Mss_U\/\]\&LK9\[5vQub\^w\[KDD\<EjmhUZ\?\.akp2dF\>qmj\;2\}YWFdYx\.Ap\]hjCPTP\(n28k\+3\;o\&WXqs\/gOXdr\$\:r\'do0\;b4c\(f_Gr\=\"\\4\)\[01T7ajQJvL\$W\~mL_sS\/4h\:x\*\[ZN\=KLs\&L5zX\/\/\>it\,o\:aU\(\;Z\>pW\&T7oP\'2K\^E\:x9\'c\[\%z\-\,64JQ5AeH_G\#KijUKghQw\^\\vea3a\?kka_G\$8\#\`\*kynsxzBLru\'\]k_\[7FrVx\}\^\=\$blx\>s\-N\%j\;D\*aZDnsw\:YKZ\%Q\.Kne9\#hP\?\+b3\(SOvL\,\^\;\&u5\@\?5C5Bhb\=m\-vEh_L15Jl\]U\)0RP6\{q\%L\^_z5E\'Dw6X\b|DM
+ Memory allocation (code space): 816
+ ------------------------------------------------------------------
+812 Bra 0
+    $<.X+ix[d1b!H#?vV0vrK:ZH1=2M>iV;?aPhFB<*vW@QW@sO9}cfZA-i'w%hKd6gt1UJP,15_#QY$M^Mss_U/]&LK9[5vQub^w[KDD<EjmhUZ?.akp2dF>qmj;2}YWFdYx.Ap]hjCPTP(n28k+3;o&WXqs/gOXdr$:r'do0;b4c(f_Gr="\4)[01T7ajQJvL$W~mL_sS/4h:x*[ZN=KLs&L5zX//>it,o:aU(;Z>pW&T7oP'2K^E:x9'c[%z-,64JQ5AeH_G#KijUKghQw^\vea3a?kka_G$8#`*kynsxzBLru']k_[7FrVx}^=$blx>s-N%j;D*aZDnsw:YKZ%Q.Kne9#hP?+b3(SOvL,^;&u5@?5C5Bhb=m-vEh_L15Jl]U)0RP6{q%L^_z5E'Dw6X
+    \b
+812 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = '$'
+ Need char = 'X'
+ /(.*)\d+\1/I
+ Capturing subpattern count = 1
+ Max back reference = 1
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+ /(.*)\d+/I
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ First char at start or follows \n
+ No need char
+ /(.*)\d+\1/Is
+ Capturing subpattern count = 1
+ Max back reference = 1
+ Partial matching not supported
+ Options: dotall
+ No first char
+ No need char
+ /(.*)\d+/Is
+ Capturing subpattern count = 1
+ Partial matching not supported
+ Options: anchored dotall
+ No first char
+ No need char
+ /(.*(xyz))\d+\2/I
+ Capturing subpattern count = 2
+ Max back reference = 2
+ Partial matching not supported
+ No options
+ First char at start or follows \n
+ Need char = 'z'
+ /((.*))\d+\1/I
+ Capturing subpattern count = 2
+ Max back reference = 1
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+     abc123bc
+: bc123bc
+: bc
+: bc
+ /a[b]/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'b'
+ /(?=a).*/I
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ First char = 'a'
+ No need char
+ /(?=abc).xyz/iI
+ Capturing subpattern count = 0
+ Options: caseless
+ First char = 'a' (caseless)
+ Need char = 'z' (caseless)
+ /(?=abc)(?i).xyz/I
+ Capturing subpattern count = 0
+ No options
+ Case state changes
+ First char = 'a'
+ Need char = 'z' (caseless)
+ /(?=a)(?=b)/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ No need char
+ /(?=.)a/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ No need char
+ /((?=abcda)a)/I
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'a'
+ /((?=abcda)ab)/I
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'b'
+ /()a/I
+ Capturing subpattern count = 1
+ No options
+ No first char
+ Need char = 'a'
+ /(?(1)ab|ac)/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ No need char
+ /(?(1)abz|acz)/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'z'
+ /(?(1)abz)/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /(?(1)abz)123/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = '3'
+ /(a)+/I
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ No need char
+ /(a){2,3}/I
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'a'
+ /(a)*/I
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ /[a]/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ No need char
+ /[ab]/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /[ab]/IS
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ Starting byte set: a b
+ /[^a]/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /\d456/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = '6'
+ /\d456/IS
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = '6'
+ Starting byte set: 0 1 2 3 4 5 6 7 8 9
+ /a^b/I
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'b'
+ /^a/mI
+ Capturing subpattern count = 0
+ Options: multiline
+ First char at start or follows \n
+ Need char = 'a'
+   abcde
+: a
+   xy\nabc
+: a
+   *** Failers
+ No match
+   xyabc
+ No match
+ /c|abc/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = 'c'
+ /(?i)[ab]/IS
+ Capturing subpattern count = 0
+ Options: caseless
+ No first char
+ No need char
+ Starting byte set: A B a b
+ /[ab](?i)cd/IS
+ Capturing subpattern count = 0
+ No options
+ Case state changes
+ No first char
+ Need char = 'd' (caseless)
+ Starting byte set: a b
+ /abc(?C)def/
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'f'
+     abcdef
+ --->abcdef
+^  ^       d
+: abcdef
+abcdef
+ --->1234abcdef
+    ^  ^       d
+: abcdef
+     *** Failers
+ No match
+     abcxyz
+ No match
+     abcxyzf
+ --->abcxyzf
+^  ^        d
+ No match
+ /abc(?C)de(?C1)f/
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'f'
+abcdef
+ --->123abcdef
+   ^  ^       d
+   ^    ^     f
+: abcdef
+ /(?C1)\dabc(?C2)def/
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = 'f'
+abcdef
+ --->1234abcdef
+^              \d
+ ^             \d
+  ^            \d
+   ^           \d
+   ^   ^       d
+: 4abcdef
+     *** Failers
+ No match
+     abcdef
+ --->abcdef
+^          \d
+ ^         \d
+  ^        \d
+   ^       \d
+    ^      \d
+     ^     \d
+ No match
+ /(?C255)ab/
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'b'
+ /(?C256)ab/
+ Failed: number after (?C is > 255 at offset 6
+ /(?Cab)xx/
+ Failed: closing ) for (?C expected at offset 3
+ /(?C12vr)x/
+ Failed: closing ) for (?C expected at offset 5
+ /abc(?C)def/
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'f'
+     *** Failers
+ No match
+     \x83\x0\x61bcdef
+ --->\x83\x00abcdef
+        ^  ^       d
+: abcdef
+ /(abc)(?C)de(?C1)f/
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'f'
+abcdef
+ --->123abcdef
+   ^  ^       d
+   ^    ^     f
+: abcdef
+: abc
+abcdef\C+
+ Callout 0: last capture = 1
+: <unset>
+: abc
+ --->123abcdef
+        ^  ^       d
+ Callout 1: last capture = 1
+: <unset>
+: abc
+ --->123abcdef
+        ^    ^     f
+: abcdef
+: abc
+abcdef\C-
+: abcdef
+: abc
+     *** Failers
+ No match
+abcdef\C!1
+ --->123abcdef
+   ^  ^       d
+   ^    ^     f
+ No match
+ /(?C0)(abc(?C1))*/
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+     abcabcabc
+ --->abcabcabc
+^             (abc(?C1))*
+^  ^          )
+^     ^       )
+^        ^    )
+: abcabcabc
+: abc
+     abcabc\C!1!3
+ --->abcabc
+^          (abc(?C1))*
+^  ^       )
+^     ^    )
+: abcabc
+: abc
+     *** Failers
+ --->*** Failers
+^               (abc(?C1))*
+:
+     abcabcabc\C!1!3
+ --->abcabcabc
+^             (abc(?C1))*
+^  ^          )
+^     ^       )
+^        ^    )
+: abcabc
+: abc
+ /(\d{3}(?C))*/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ No first char
+ No need char
+\C+
+ Callout 0: last capture = -1
+: <unset>
+ --->123
+     ^  ^    )
+: 123
+: 123
+\C+
+ Callout 0: last capture = -1
+: <unset>
+ --->123456
+     ^  ^       )
+ Callout 0: last capture = 1
+: <unset>
+: 123
+ --->123456
+     ^     ^    )
+: 123456
+: 456
+     123456789\C+
+ Callout 0: last capture = -1
+: <unset>
+ --->123456789
+     ^  ^          )
+ Callout 0: last capture = 1
+: <unset>
+: 123
+ --->123456789
+     ^     ^       )
+ Callout 0: last capture = 1
+: <unset>
+: 456
+ --->123456789
+     ^        ^    )
+: 123456789
+: 789
+ /((xyz)(?C)p|(?C1)xyzabc)/
+ Capturing subpattern count = 2
+ No options
+ First char = 'x'
+ No need char
+     xyzabc\C+
+ Callout 0: last capture = 2
+: <unset>
+: <unset>
+: xyz
+ --->xyzabc
+     ^  ^       p
+ Callout 1: last capture = -1
+: <unset>
+ --->xyzabc
+     ^          x
+: xyzabc
+: xyzabc
+ /(X)((xyz)(?C)p|(?C1)xyzabc)/
+ Capturing subpattern count = 3
+ No options
+ First char = 'X'
+ Need char = 'x'
+     Xxyzabc\C+
+ Callout 0: last capture = 3
+: <unset>
+: X
+: <unset>
+: xyz
+ --->Xxyzabc
+     ^   ^       p
+ Callout 1: last capture = 1
+: <unset>
+: X
+ --->Xxyzabc
+     ^^          x
+: Xxyzabc
+: X
+: xyzabc
+ /(?=(abc))(?C)abcdef/
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'f'
+     abcdef\C+
+ Callout 0: last capture = 1
+: <unset>
+: abc
+ --->abcdef
+     ^          a
+: abcdef
+: abc
+ /(?!(abc)(?C1)d)(?C2)abcxyz/
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'z'
+     abcxyz\C+
+ Callout 1: last capture = 1
+: <unset>
+: abc
+ --->abcxyz
+     ^  ^       d
+ Callout 2: last capture = -1
+: <unset>
+ --->abcxyz
+     ^          a
+: abcxyz
+ /(?<=(abc)(?C))xyz/
+ Capturing subpattern count = 1
+ No options
+ First char = 'x'
+ Need char = 'z'
+    abcxyz\C+
+ Callout 0: last capture = 1
+: <unset>
+: abc
+ --->abcxyz
+        ^       )
+: xyz
+: abc
+ /a(b+)(c*)(?C1)/
+ Capturing subpattern count = 2
+ Partial matching not supported
+ No options
+ First char = 'a'
+ Need char = 'b'
+     abbbbbccc\C*1
+ --->abbbbbccc
+^        ^
+ Callout data = 1
+^       ^
+ Callout data = 1
+^      ^
+ Callout data = 1
+^     ^
+ Callout data = 1
+^    ^
+ Callout data = 1
+^   ^
+ Callout data = 1
+^  ^
+ Callout data = 1
+^ ^
+ Callout data = 1
+ No match
+ /a(b+?)(c*?)(?C1)/
+ Capturing subpattern count = 2
+ Partial matching not supported
+ No options
+ First char = 'a'
+ Need char = 'b'
+     abbbbbccc\C*1
+ --->abbbbbccc
+^ ^
+ Callout data = 1
+^  ^
+ Callout data = 1
+^   ^
+ Callout data = 1
+^    ^
+ Callout data = 1
+^     ^
+ Callout data = 1
+^      ^
+ Callout data = 1
+^       ^
+ Callout data = 1
+^        ^
+ Callout data = 1
+ No match
+ /(?C)abc/
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'c'
+ /(?C)^abc/
+ Capturing subpattern count = 0
+ Options: anchored
+ No first char
+ No need char
+ /(?C)a|b/S
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ Starting byte set: a b
+ /(?R)/
+ Failed: recursive call could loop indefinitely at offset 3
+ /(a|(?R))/
+ Failed: recursive call could loop indefinitely at offset 6
+ /(ab|(bc|(de|(?R))))/
+ Failed: recursive call could loop indefinitely at offset 15
+ /x(ab|(bc|(de|(?R))))/
+ Capturing subpattern count = 3
+ No options
+ First char = 'x'
+ No need char
+     xab
+: xab
+: ab
+     xbc
+: xbc
+: bc
+: bc
+     xde
+: xde
+: de
+: de
+: de
+     xxab
+: xxab
+: xab
+: xab
+: xab
+     xxxab
+: xxxab
+: xxab
+: xxab
+: xxab
+     *** Failers
+ No match
+     xyab
+ No match
+ /(ab|(bc|(de|(?1))))/
+ Failed: recursive call could loop indefinitely at offset 15
+ /x(ab|(bc|(de|(?1)x)x)x)/
+ Failed: recursive call could loop indefinitely at offset 16
+ /^([^()]|\((?1)*\))*$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     abc
+: abc
+: c
+     a(b)c
+: a(b)c
+: c
+     a(b(c))d
+: a(b(c))d
+: d
+     *** Failers)
+ No match
+     a(b(c)d
+ No match
+ /^>abc>([^()]|\((?1)*\))*<xyz<$/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ Need char = '<'
+    >abc>123<xyz<
+: >abc>123<xyz<
+: 3
+    >abc>1(2)3<xyz<
+: >abc>1(2)3<xyz<
+: 3
+    >abc>(1(2)3)<xyz<
+: >abc>(1(2)3)<xyz<
+: (1(2)3)
+ /(a(?1)b)/D
+ ------------------------------------------------------------------
+ 16 Bra 0
+ 10 Bra 1
+    a
+  3 Recurse
+    b
+ 10 Ket
+ 16 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'b'
+ /(a(?1)+b)/D
+ ------------------------------------------------------------------
+ 22 Bra 0
+ 16 Bra 1
+    a
+  6 Bra 0
+  3 Recurse
+  6 KetRmax
+    b
+ 16 Ket
+ 22 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'b'
+ /^\W*(?:((.)\W*(?1)\W*\2|)|((.)\W*(?3)\W*\4|\W*.\W*))\W*$/i
+ Capturing subpattern count = 4
+ Max back reference = 4
+ Partial matching not supported
+ Options: anchored caseless
+ No first char
+ No need char
+: 1221
+: 1221
+: 1
+     Satan, oscillate my metallic sonatas!
+: Satan, oscillate my metallic sonatas!
+: <unset>
+: <unset>
+: Satan, oscillate my metallic sonatas
+: S
+     A man, a plan, a canal: Panama!
+: A man, a plan, a canal: Panama!
+: <unset>
+: <unset>
+: A man, a plan, a canal: Panama
+: A
+     Able was I ere I saw Elba.
+: Able was I ere I saw Elba.
+: <unset>
+: <unset>
+: Able was I ere I saw Elba
+: A
+     *** Failers
+ No match
+     The quick brown fox
+ No match
+ /^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/
+ Capturing subpattern count = 2
+ Partial matching not supported
+ Options: anchored
+ No first char
+ No need char
+: 12
+: 12
+     (((2+2)*-3)-7)
+: (((2+2)*-3)-7)
+: (((2+2)*-3)-7)
+: -
+     -12
+: -12
+: -12
+     *** Failers
+ No match
+     ((2+2)*-3)-7)
+ No match
+ /^(x(y|(?1){2})z)/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     xyz
+: xyz
+: xyz
+: y
+     xxyzxyzz
+: xxyzxyzz
+: xxyzxyzz
+: xyzxyz
+     *** Failers
+ No match
+     xxyzz
+ No match
+     xxyzxyzxyzz
+ No match
+ /((< (?: (?(R) \d++  | [^<>]*+) | (?2)) * >))/x
+ Capturing subpattern count = 2
+ Partial matching not supported
+ Options: extended
+ First char = '<'
+ Need char = '>'
+     <>
+: <>
+: <>
+: <>
+     <abcd>
+: <abcd>
+: <abcd>
+: <abcd>
+     <abc <123> hij>
+: <abc <123> hij>
+: <abc <123> hij>
+: <abc <123> hij>
+     <abc <def> hij>
+: <def>
+: <def>
+: <def>
+     <abc<>def>
+: <abc<>def>
+: <abc<>def>
+: <abc<>def>
+     <abc<>
+: <>
+: <>
+: <>
+     *** Failers
+ No match
+     <abc
+ No match
+ /(?1)/
+ Failed: reference to non-existent subpattern at offset 3
+ /((?2)(abc)/
+ Failed: reference to non-existent subpattern at offset 4
+ /^(abc)def(?1)/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     abcdefabc
+: abcdefabc
+: abc
+ /^(a|b|c)=(?1)+/
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ No need char
+     a=a
+: a=a
+: a
+     a=b
+: a=b
+: a
+     a=bc
+: a=bc
+: a
+ /^(a|b|c)=((?1))+/
+ Capturing subpattern count = 2
+ Options: anchored
+ No first char
+ No need char
+     a=a
+: a=a
+: a
+: a
+     a=b
+: a=b
+: a
+: b
+     a=bc
+: a=bc
+: a
+: c
+ /a(?P<name1>b|c)d(?P<longername2>e)/D
+ ------------------------------------------------------------------
+ 28 Bra 0
+    a
+  5 Bra 1
+    b
+  5 Alt
+    c
+ 10 Ket
+    d
+  5 Bra 2
+    e
+  5 Ket
+ 28 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 2
+ Named capturing subpatterns:
+   longername2   2
+   name1         1
+ No options
+ First char = 'a'
+ Need char = 'e'
+     abde
+: abde
+: b
+: e
+     acde
+: acde
+: c
+: e
+ /(?:a(?P<c>c(?P<d>d)))(?P<a>a)/D
+ ------------------------------------------------------------------
+ 35 Bra 0
+ 21 Bra 0
+    a
+ 13 Bra 1
+    c
+  5 Bra 2
+    d
+  5 Ket
+ 13 Ket
+ 21 Ket
+  5 Bra 3
+    a
+  5 Ket
+ 35 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 3
+ Named capturing subpatterns:
+   a   3
+   c   1
+   d   2
+ No options
+ First char = 'a'
+ Need char = 'a'
+ /(?P<a>a)...(?P=a)bbb(?P>a)d/D
+ ------------------------------------------------------------------
+ 28 Bra 0
+  5 Bra 1
+    a
+  5 Ket
+    Any
+    Any
+    Any
+    \1
+    bbb
+  3 Recurse
+    d
+ 28 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ Max back reference = 1
+ Named capturing subpatterns:
+   a   1
+ No options
+ First char = 'a'
+ Need char = 'd'
+ /^\W*(?:(?P<one>(?P<two>.)\W*(?P>one)\W*(?P=two)|)|(?P<three>(?P<four>.)\W*(?P>three)\W*(?P=four)|\W*.\W*))\W*$/i
+ Capturing subpattern count = 4
+ Max back reference = 4
+ Named capturing subpatterns:
+   four    4
+   one     1
+   three   3
+   two     2
+ Partial matching not supported
+ Options: anchored caseless
+ No first char
+ No need char
+: 1221
+: 1221
+: 1
+     Satan, oscillate my metallic sonatas!
+: Satan, oscillate my metallic sonatas!
+: <unset>
+: <unset>
+: Satan, oscillate my metallic sonatas
+: S
+     A man, a plan, a canal: Panama!
+: A man, a plan, a canal: Panama!
+: <unset>
+: <unset>
+: A man, a plan, a canal: Panama
+: A
+     Able was I ere I saw Elba.
+: Able was I ere I saw Elba.
+: <unset>
+: <unset>
+: Able was I ere I saw Elba
+: A
+     *** Failers
+ No match
+     The quick brown fox
+ No match
+ /((?(R)a|b))\1(?1)?/
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+   bb
+: bb
+: b
+   bbaa
+: bba
+: b
+ /(.*)a/sI
+ Capturing subpattern count = 1
+ Partial matching not supported
+ Options: anchored dotall
+ No first char
+ Need char = 'a'
+ /(.*)a\1/sI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ Partial matching not supported
+ Options: dotall
+ No first char
+ Need char = 'a'
+ /(.*)a(b)\2/sI
+ Capturing subpattern count = 2
+ Max back reference = 2
+ Partial matching not supported
+ Options: anchored dotall
+ No first char
+ Need char = 'b'
+ /((.*)a|(.*)b)z/sI
+ Capturing subpattern count = 3
+ Partial matching not supported
+ Options: anchored dotall
+ No first char
+ Need char = 'z'
+ /((.*)a|(.*)b)z\1/sI
+ Capturing subpattern count = 3
+ Max back reference = 1
+ Partial matching not supported
+ Options: dotall
+ No first char
+ Need char = 'z'
+ /((.*)a|(.*)b)z\2/sI
+ Capturing subpattern count = 3
+ Max back reference = 2
+ Partial matching not supported
+ Options: dotall
+ No first char
+ Need char = 'z'
+ /((.*)a|(.*)b)z\3/sI
+ Capturing subpattern count = 3
+ Max back reference = 3
+ Partial matching not supported
+ Options: dotall
+ No first char
+ Need char = 'z'
+ /((.*)a|^(.*)b)z\3/sI
+ Capturing subpattern count = 3
+ Max back reference = 3
+ Partial matching not supported
+ Options: anchored dotall
+ No first char
+ Need char = 'z'
+ /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a/sI
+ Capturing subpattern count = 31
+ Partial matching not supported
+ Options: anchored dotall
+ No first char
+ No need char
+ /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\31/sI
+ Capturing subpattern count = 31
+ Max back reference = 31
+ Partial matching not supported
+ Options: dotall
+ No first char
+ No need char
+ /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\32/sI
+ Capturing subpattern count = 32
+ Max back reference = 32
+ Partial matching not supported
+ Options: dotall
+ No first char
+ No need char
+ /(a)(bc)/ND
+ ------------------------------------------------------------------
+ 21 Bra 0
+  5 Bra 0
+    a
+  5 Ket
+  7 Bra 0
+    bc
+  7 Ket
+ 21 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options:
+ First char = 'a'
+ Need char = 'c'
+   abc
+: abc
+ /(?P<one>a)(bc)/ND
+ ------------------------------------------------------------------
+ 21 Bra 0
+  5 Bra 1
+    a
+  5 Ket
+  7 Bra 0
+    bc
+  7 Ket
+ 21 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ Named capturing subpatterns:
+   one   1
+ Options:
+ First char = 'a'
+ Need char = 'c'
+   abc
+: abc
+: a
+ /(a)(?P<named>bc)/ND
+ ------------------------------------------------------------------
+ 21 Bra 0
+  5 Bra 0
+    a
+  5 Ket
+  7 Bra 1
+    bc
+  7 Ket
+ 21 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ Named capturing subpatterns:
+   named   1
+ Options:
+ First char = 'a'
+ Need char = 'c'
+ /(a+)*zz/
+ Capturing subpattern count = 1
+ Partial matching not supported
+ No options
+ No first char
+ Need char = 'z'
+   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaazzbbbbbb\M
+ Minimum match limit = 8
+: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaazz
+: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+   aaaaaaaaaaaaaz\M
+ Minimum match limit = 32768
+ No match
+ /(aaa(?C1)bbb|ab)/
+ Capturing subpattern count = 1
+ No options
+ First char = 'a'
+ Need char = 'b'
+    aaabbb
+ --->aaabbb
+^  ^       b
+: aaabbb
+: aaabbb
+    aaabbb\C*0
+ --->aaabbb
+^  ^       b
+: aaabbb
+: aaabbb
+    aaabbb\C*1
+ --->aaabbb
+^  ^       b
+ Callout data = 1
+: ab
+: ab
+    aaabbb\C*-1
+ --->aaabbb
+^  ^       b
+ Callout data = -1
+ No match
+ /ab(?P<one>cd)ef(?P<two>gh)/
+ Capturing subpattern count = 2
+ Named capturing subpatterns:
+   one   1
+   two   2
+ No options
+ First char = 'a'
+ Need char = 'h'
+     abcdefgh
+: abcdefgh
+: cd
+: gh
+     abcdefgh\C1\Gtwo
+: abcdefgh
+: cd
+: gh
+C cd (2)
+G gh (2)
+     abcdefgh\Cone\Ctwo
+: abcdefgh
+: cd
+: gh
+C cd (2)
+C gh (2)
+     abcdefgh\Cthree
+ no parentheses with name "three"
+: abcdefgh
+: cd
+: gh
+ /(?P<Tes>)(?P<Test>)/D
+ ------------------------------------------------------------------
+ 15 Bra 0
+  3 Bra 1
+  3 Ket
+  3 Bra 2
+  3 Ket
+ 15 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 2
+ Named capturing subpatterns:
+   Tes    1
+   Test   2
+ No options
+ No first char
+ No need char
+ /(?P<Test>)(?P<Tes>)/D
+ ------------------------------------------------------------------
+ 15 Bra 0
+  3 Bra 1
+  3 Ket
+  3 Bra 2
+  3 Ket
+ 15 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 2
+ Named capturing subpatterns:
+   Tes    2
+   Test   1
+ No options
+ No first char
+ No need char
+ /(?P<Z>zz)(?P<A>aa)/
+ Capturing subpattern count = 2
+ Named capturing subpatterns:
+   A   2
+   Z   1
+ No options
+ First char = 'z'
+ Need char = 'a'
+     zzaa\CZ
+: zzaa
+: zz
+: aa
+C zz (2)
+     zzaa\CA
+: zzaa
+: zz
+: aa
+C aa (2)
+ /(?P<x>eks)(?P<x>eccs)/
+ Failed: two named groups have the same name at offset 16
+ /(?P<abc>abc(?P<def>def)(?P<abc>xyz))/
+ Failed: two named groups have the same name at offset 31
+ "\[((?P<elem>\d+)(,(?P>elem))*)\]"
+ Capturing subpattern count = 3
+ Named capturing subpatterns:
+   elem   2
+ Partial matching not supported
+ No options
+ First char = '['
+ Need char = ']'
+     [10,20,30,5,5,4,4,2,43,23,4234]
+: [10,20,30,5,5,4,4,2,43,23,4234]
+: 10,20,30,5,5,4,4,2,43,23,4234
+: 10
+: ,4234
+     *** Failers
+ No match
+     []
+ No match
+ "\[((?P<elem>\d+)(,(?P>elem))*)?\]"
+ Capturing subpattern count = 3
+ Named capturing subpatterns:
+   elem   2
+ Partial matching not supported
+ No options
+ First char = '['
+ Need char = ']'
+     [10,20,30,5,5,4,4,2,43,23,4234]
+: [10,20,30,5,5,4,4,2,43,23,4234]
+: 10,20,30,5,5,4,4,2,43,23,4234
+: 10
+: ,4234
+     []
+: []
+ /(a(b(?2)c))?/D
+ ------------------------------------------------------------------
+ 25 Bra 0
+    Brazero
+ 18 Bra 1
+    a
+ 10 Bra 2
+    b
+  9 Recurse
+    c
+ 10 Ket
+ 18 Ket
+ 25 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 2
+ No options
+ No first char
+ No need char
+ /(a(b(?2)c))*/D
+ ------------------------------------------------------------------
+ 25 Bra 0
+    Brazero
+ 18 Bra 1
+    a
+ 10 Bra 2
+    b
+  9 Recurse
+    c
+ 10 Ket
+ 18 KetRmax
+ 25 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 2
+ No options
+ No first char
+ No need char
+ /(a(b(?2)c)){0,2}/D
+ ------------------------------------------------------------------
+ 53 Bra 0
+    Brazero
+ 46 Bra 0
+ 18 Bra 1
+    a
+ 10 Bra 2
+    b
+ 12 Recurse
+    c
+ 10 Ket
+ 18 Ket
+    Brazero
+ 18 Bra 1
+    a
+ 10 Bra 2
+    b
+ 12 Recurse
+    c
+ 10 Ket
+ 18 Ket
+ 46 Ket
+ 53 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 2
+ No options
+ No first char
+ No need char
+ /[ab]{1}+/D
+ ------------------------------------------------------------------
+ 47 Bra 0
+ 41 Once
+    [ab]{1,1}
+ 41 Ket
+ 47 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /((w\/|-|with)*(free|immediate)*.*?shipping\s*[!.-]*)/i
+ Capturing subpattern count = 3
+ Partial matching not supported
+ Options: caseless
+ No first char
+ Need char = 'g' (caseless)
+      Baby Bjorn Active Carrier - With free SHIPPING!!
+: Baby Bjorn Active Carrier - With free SHIPPING!!
+: Baby Bjorn Active Carrier - With free SHIPPING!!
+ /((w\/|-|with)*(free|immediate)*.*?shipping\s*[!.-]*)/iS
+ Capturing subpattern count = 3
+ Partial matching not supported
+ Options: caseless
+ No first char
+ Need char = 'g' (caseless)
+ Study returned NULL
+      Baby Bjorn Active Carrier - With free SHIPPING!!
+: Baby Bjorn Active Carrier - With free SHIPPING!!
+: Baby Bjorn Active Carrier - With free SHIPPING!!
+ /a*.*b/SD
+ ------------------------------------------------------------------
+  9 Bra 0
+    a*
+    Any*
+    b
+  9 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ No options
+ No first char
+ Need char = 'b'
+ Study returned NULL
+ /(a|b)*.?c/SD
+ ------------------------------------------------------------------
+ 21 Bra 0
+    Brazero
+  5 Bra 1
+    a
+  5 Alt
+    b
+ 10 KetRmax
+    Any?
+    c
+ 21 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ No options
+ No first char
+ Need char = 'c'
+ Study returned NULL
+ /abc(?C255)de(?C)f/D
+ ------------------------------------------------------------------
+ 27 Bra 0
+    abc
+    Callout 255 10 1
+    de
+    Callout 0 16 1
+    f
+ 27 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'f'
+ /abcde/CD
+ ------------------------------------------------------------------
+ 49 Bra 0
+    Callout 255 0 1
+    a
+    Callout 255 1 1
+    b
+    Callout 255 2 1
+    c
+    Callout 255 3 1
+    d
+    Callout 255 4 1
+    e
+    Callout 255 5 0
+ 49 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options:
+ First char = 'a'
+ Need char = 'e'
+   abcde
+ --->abcde
+  +0 ^         a
+  +1 ^^        b
+  +2 ^ ^       c
+  +3 ^  ^      d
+  +4 ^   ^     e
+  +5 ^    ^
+: abcde
+   abcdfe
+ --->abcdfe
+  +0 ^          a
+  +1 ^^         b
+  +2 ^ ^        c
+  +3 ^  ^       d
+  +4 ^   ^      e
+ No match
+ /a*b/CD
+ ------------------------------------------------------------------
+ 25 Bra 0
+    Callout 255 0 2
+    a*
+    Callout 255 2 1
+    b
+    Callout 255 3 0
+ 25 Ket
+    End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Partial matching not supported
+ Options:
+ No first char
+ Need char = 'b'
+   ab
+ --->ab
+  +0 ^      a*
+  +2 ^^     b
+  +3 ^ ^
+: ab
+   aaaab
+ --->aaaab
+  +0 ^         a*
+  +2 ^   ^     b
+  +3 ^    ^
+: aaaab
+   aaaacb
+ --->aaaacb
+  +0 ^          a*
+  +2 ^   ^      b
+  +2 ^  ^       b
+  +2 ^ ^        b
+  +2 ^^         b
+  +2 ^          b
+  +0  ^         a*
+  +2  ^  ^      b
+  +2  ^ ^       b
+  +2  ^^        b
+  +2  ^         b
+  +0   ^        a*
+  +2   ^ ^      b
+  +2   ^^       b
+  +2   ^        b