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

Diff of /code/trunk/testdata/testoutput2

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-revision 271 by ph10,
Fri Nov 16 19:58:26 2007 UTC
+revision 760 by ph10,
Tue Nov 22 11:23:43 2011 UTC
 Line 1
+ /-- This set of tests is not Perl-compatible. It checks on special features
+     of PCRE's API, error diagnostics, and the compiled code of some patterns.
+     It also checks the non-Perl syntax the PCRE supports (Python, .NET,
+     Oniguruma). Finally, there are some tests where PCRE and Perl differ,
+     either because PCRE can't be compatible, or there is a possible Perl
+     bug. --/
+ /-- Originally, the Perl >= 5.10 things were in here too, but now I have
+     separated many (most?) of them out into test 11. However, there may still
+     be some that were overlooked. --/
  /(a)b|/I
  Capturing subpattern count = 1
  No options
-Line 40 
 No match
+Line 51 
 No match
  /a+bc/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'c'
  /a*bc/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'c'
  /a{3}bc/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'c'
  /(abc|a+z)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 96 
 Failed: missing terminating ] for charac
+Line 103 
 Failed: missing terminating ] for charac
  /(?X)[\B]/
  Failed: invalid escape sequence in character class at offset 6
+ /(?X)[\R]/
+ Failed: invalid escape sequence in character class at offset 6
+ /(?X)[\X]/
+ Failed: invalid escape sequence in character class at offset 6
+ /[\B]/BZ
+ ------------------------------------------------------------------
+         Bra
+         B
+         Ket
+         End
+ ------------------------------------------------------------------
+ /[\R]/BZ
+ ------------------------------------------------------------------
+         Bra
+         R
+         Ket
+         End
+ ------------------------------------------------------------------
+ /[\X]/BZ
+ ------------------------------------------------------------------
+         Bra
+         X
+         Ket
+         End
+ ------------------------------------------------------------------
  /[z-a]/
  Failed: range out of order in character class at offset 3
-Line 113 
 Failed: unrecognized character after (?
+Line 150 
 Failed: unrecognized character after (?
  /.*b/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  Need char = 'b'
  /.*?b/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  Need char = 'b'
-Line 140 
 Capturing subpattern count = 0
+Line 175 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 3
  Starting byte set: c d e
      this sentence eventually mentions a cat
 : cat
-Line 151 
 Capturing subpattern count = 0
+Line 187 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
+ Subject length lower bound = 3
  Starting byte set: C D E c d e
      this sentence eventually mentions a CAT cat
 : CAT
-Line 162 
 Capturing subpattern count = 0
+Line 199 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(a|[^\dZ])/IS
-Line 169 
 Capturing subpattern count = 1
+Line 207 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  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 ! " # $ % & ' ( ) * + , - . / : ; < = >
-Line 189 
 Capturing subpattern count = 1
+Line 228 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: \x09 \x0a \x0c \x0d \x20 a b
  /(ab\2)/
-Line 324 
 No need char
+Line 364 
 No need char
  /.*((abc)$|(def))/I
  Capturing subpattern count = 3
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 338 
 No need char
+Line 377 
 No need char
 : <unset>
 : def
- /abc/IP
+ /abc/P
      abc
 : abc
      *** Failers
  No match: POSIX code 17: match failed
- /^abc|def/IP
+ /^abc|def/P
      abcdef
 : abc
      abcdef\B
 : def
- /.*((abc)$|(def))/IP
+ /.*((abc)$|(def))/P
      defabc
 : defabc
 : abc
-Line 360 
 No match: POSIX code 17: match failed
+Line 399 
 No match: POSIX code 17: match failed
 : def
 : def
- /the quick brown fox/IP
+ /the quick brown fox/P
      the quick brown fox
 : the quick brown fox
      *** Failers
-Line 368 
 No match: POSIX code 17: match failed
+Line 407 
 No match: POSIX code 17: match failed
      The Quick Brown Fox
  No match: POSIX code 17: match failed
- /the quick brown fox/IPi
+ /the quick brown fox/Pi
      the quick brown fox
 : the quick brown fox
      The Quick Brown Fox
 : The Quick Brown Fox
- /abc.def/IP
+ /abc.def/P
      *** Failers
  No match: POSIX code 17: match failed
      abc\ndef
  No match: POSIX code 17: match failed
- /abc$/IP
+ /abc$/P
      abc
 : abc
      abc\n
 : abc
- /(abc)\2/IP
+ /(abc)\2/P
  Failed: POSIX code 15: bad back reference at offset 7
- /(abc\1)/IP
+ /(abc\1)/P
      abc
  No match: POSIX code 17: match failed
-Line 401 
 Failed: missing terminating ] for charac
+Line 440 
 Failed: missing terminating ] for charac
  /[^aeiou ]{3,}/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 410 
 No need char
+Line 448 
 No need char
  /<.*>/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 419 
 Need char = '>'
+Line 456 
 Need char = '>'
  /<.*?>/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 428 
 Need char = '>'
+Line 464 
 Need char = '>'
  /<.*>/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 437 
 Need char = '>'
+Line 472 
 Need char = '>'
  /(?U)<.*>/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 446 
 Need char = '>'
+Line 480 
 Need char = '>'
  /<.*?>/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 455 
 Need char = '>'
+Line 488 
 Need char = '>'
  /={3,}/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 464 
 Need char = '='
+Line 496 
 Need char = '='
  /(?U)={3,}?/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 522 
 No need char
+Line 553 
 No need char
  /(?s).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 532 
 Capturing subpattern count = 0
+Line 562 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(?i)[abcd]/IS
-Line 539 
 Capturing subpattern count = 0
+Line 570 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: A B C D a b c d
  /(?m)[xy]|(b|c)/IS
-Line 546 
 Capturing subpattern count = 1
+Line 578 
 Capturing subpattern count = 1
  Options: multiline
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: b c x y
  /(^a|^b)/Im
-Line 584 
 Failed: syntax error in subpattern name
+Line 617 
 Failed: syntax error in subpattern name
  /((?s)blah)\s+\1/I
  Capturing subpattern count = 1
  Max back reference = 1
- Partial matching not supported
  No options
  First char = 'b'
  Need char = 'h'
-Line 592 
 Need char = 'h'
+Line 624 
 Need char = 'h'
  /((?i)blah)\s+\1/I
  Capturing subpattern count = 1
  Max back reference = 1
- Partial matching not supported
  No options
  First char = 'b' (caseless)
  Need char = 'h' (caseless)
-Line 601 
 Need char = 'h' (caseless)
+Line 632 
 Need char = 'h' (caseless)
  ------------------------------------------------------------------
          Bra
          CBra 1
-Opt
+      /i b
-      NC b
          Ket
-Opt
          Ket
          End
  ------------------------------------------------------------------
-Line 612 
 Capturing subpattern count = 1
+Line 641 
 Capturing subpattern count = 1
  No options
  First char = 'b' (caseless)
  No need char
- Study returned NULL
+ Subject length lower bound = 1
+ No set of starting bytes
  /(a*b|(?i:c*(?-i)d))/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: C a b c d
  /a$/I
-Line 668 
 Need char = 'c'
+Line 698 
 Need char = 'c'
  /^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/I
  Capturing subpattern count = 5
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 685 
 Capturing subpattern count = 0
+Line 714 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /(?<!foo)(alpha|omega)/IS
-Line 692 
 Capturing subpattern count = 1
+Line 722 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'a'
+ Subject length lower bound = 5
  Starting byte set: a o
  /(?!alphabet)[ab]/IS
-Line 699 
 Capturing subpattern count = 0
+Line 730 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /(?<=foo\n)^bar/Im
-Line 784 
 No need char
+Line 816 
 No need char
  /(?>.*)(?<=(abcd)|(xyz))/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 854 
 No match
+Line 885 
 No match
      a
  No match
- /This one is here because I think Perl 5.005_02 gets the setting of $1 wrong/I
+ /This one is here because Perl behaves differently; see also the following/I
  Capturing subpattern count = 0
  No options
  First char = 'T'
-Line 866 
 Max back reference = 1
+Line 897 
 Max back reference = 1
  Options: anchored
  No first char
  No need char
+     aaaa
+ No match
      aaaaaa
-: aaaaaa
+ No match
-: aa
+ /Perl does not fail these two for the final subjects. Neither did PCRE until/
+ /release 8.01. The problem is in backtracking into a subpattern that contains/
+ No match
+ /a recursive reference to itself. PCRE has now made these into atomic patterns./
+ No match
+ /^(xa|=?\1a){2}$/
+     xa=xaa
+: xa=xaa
+: =xaa
+     ** Failers
+ No match
+     xa=xaaa
+ No match
+ /^(xa|=?\1a)+$/
+     xa=xaa
+: xa=xaa
+: =xaa
+     ** Failers
+ No match
+     xa=xaaa
+ No match
  /These are syntax tests from Perl 5.005/I
  Capturing subpattern count = 0
-Line 1003 
 copy substring 5 failed -7
+Line 1059 
 copy substring 5 failed -7
  /(.{20})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1021 
 No need char
+Line 1076 
 No need char
  /(.{15})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1036 
 No need char
+Line 1090 
 No need char
  /(.{16})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1103 
 No need char
+Line 1156 
 No need char
  )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
  )?)?)?)?)?)?)?)?)?otherword/I
  Capturing subpattern count = 8
- Partial matching not supported
  Contains explicit CR or LF match
  No options
  First char = 'w'
-Line 1118 
 Need char = 'd'
+Line 1170 
 Need char = 'd'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  Need char = 'X'
-Line 1126 
 Need char = 'X'
+Line 1177 
 Need char = 'X'
  /.*X/IDZs
  ------------------------------------------------------------------
          Bra
-         Any*
+         AllAny*
          X
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'X'
-Line 1151 
 Need char = 'X'
+Line 1201 
 Need char = 'X'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 1160 
 No need char
+Line 1209 
 No need char
  ------------------------------------------------------------------
          Bra
          CBra 1
-         Any*
+         AllAny*
          X
          Alt
          ^
-Line 1170 
 No need char
+Line 1219 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 1179 
 No need char
+Line 1227 
 No need char
  ------------------------------------------------------------------
          Bra
          CBra 1
-         Any*
+         AllAny*
          X
          Alt
          ^
-Line 1189 
 No need char
+Line 1237 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 1198 
 No need char
+Line 1245 
 No need char
  ------------------------------------------------------------------
          Bra
          Bra
-Opt
+         AllAny*
-         Any*
          X
          Alt
-Opt
          ^
          B
          Ket
-Opt
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
+ Options: anchored
- No options
+ No first char
- First char at start or follows newline
  No need char
  /\Biss\B/I+
-Line 1296 
 No need char
+Line 1339 
 No need char
  /.*iss/Ig+
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  Need char = 's'
-Line 1399 
 Need char = 'c'
+Line 1441 
 Need char = 'c'
  /a*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
  /a+/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
  /(baa|a+)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  Need char = 'a'
  /a{0,3}/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
  /baa{3,}/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'b'
  Need char = 'a'
  /"([^\\"]+|\\.)*"/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = '"'
  Need char = '"'
-Line 1489 
 Need char = 'b'
+Line 1525 
 Need char = 'b'
  /abc*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
  /ab.c*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
  /a.c*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
  /.c*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
  /ac*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
  /(a.c*|b.c*)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
  /a.c*|aba/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
  /.+a/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'a'
  /(?=abcda)a.*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'a'
  /(?=a)a.*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 1565 
 No need char
+Line 1591 
 No need char
  /a\d*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
  /ab\d*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 1591 
 Need char = 'd'
+Line 1615 
 Need char = 'd'
  /ab\d+/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 1666 
 No need char
+Line 1689 
 No need char
      \Nabc
  No match
- /a*(b+)(z)(z)/IP
+ /a*(b+)(z)(z)/P
      aaaabbbbzzzz
 : aaaabbbbzz
 : bbbb
-Line 1698 
 Capturing subpattern count = 0
+Line 1721 
 Capturing subpattern count = 0
  Options: anchored
  No first char
  Need char = 'd'
- Study returned NULL
+ Subject length lower bound = 4
+ No set of starting bytes
  /\(             # ( at start
    (?:           # Non-capturing bracket
-Line 1709 
 Study returned NULL
+Line 1733 
 Study returned NULL
    \)            # Closing )
    /Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1738 
 No match
+Line 1761 
 No match
  /\(  ( (?>[^()]+) | (?R) )* \) /Ixg
  Capturing subpattern count = 1
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1753 
 Need char = ')'
+Line 1775 
 Need char = ')'
  /\(  (?: (?>[^()]+) | (?R) ) \) /Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1772 
 No match
+Line 1793 
 No match
  /\(  (?: (?>[^()]+) | (?R) )? \) /Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1783 
 Need char = ')'
+Line 1803 
 Need char = ')'
  /\(  ( (?>[^()]+) | (?R) )* \) /Ix
  Capturing subpattern count = 1
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1793 
 Need char = ')'
+Line 1812 
 Need char = ')'
  /\( ( ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 2
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1804 
 Need char = ')'
+Line 1822 
 Need char = ')'
  /\( (123)? ( ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1821 
 Need char = ')'
+Line 1838 
 Need char = ')'
  /\( ( (123)? ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1838 
 Need char = ')'
+Line 1854 
 Need char = ')'
  /\( (((((((((( ( (?>[^()]+) | (?R) )* )))))))))) \) /Ix
  Capturing subpattern count = 11
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1858 
 Need char = ')'
+Line 1873 
 Need char = ')'
  /\( ( ( (?>[^()<>]+) | ((?>[^()]+)) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1866 
 Need char = ')'
+Line 1880 
 Need char = ')'
 : (abcd(xyz<p>qrs)123)
 : abcd(xyz<p>qrs)123
 : 123
-: <unset>
  /\( ( ( (?>[^()]+) | ((?R)) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1942 
 Capturing subpattern count = 0
+Line 1954 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: 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 Z
    _ 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 z
-Line 2003 
 Contains explicit CR or LF match
+Line 2016 
 Contains explicit CR or LF match
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: \x09 \x0a \x0b \x0c \x0d \x20
  /^[[:cntrl:]]/DZ
-Line 2249 
 Need char = 'd'
+Line 2263 
 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)/I
  Capturing subpattern count = 271
  Max back reference = 270
- Partial matching not supported
  No options
  No first char
  No need char
-Line 2746 
 No need char
+Line 2759 
 No need char
  ------------------------------------------------------------------
          Bra
          a
-Opt
+      /i b
-      NC b
          Ket
          End
  ------------------------------------------------------------------
-Line 2769 
 No match
+Line 2781 
 No match
          Bra
          CBra 1
          a
-Opt
+      /i b
-      NC b
          Ket
-Opt
          Ket
          End
  ------------------------------------------------------------------
-Line 2794 
 No match
+Line 2804 
 No match
  /   (?i)abc/IxDZ
  ------------------------------------------------------------------
          Bra
-      NC abc
+      /i abc
          Ket
          End
  ------------------------------------------------------------------
-Line 2807 
 Need char = 'c' (caseless)
+Line 2817 
 Need char = 'c' (caseless)
    (?i)abc/IxDZ
  ------------------------------------------------------------------
          Bra
-      NC abc
+      /i abc
          Ket
          End
  ------------------------------------------------------------------
-Line 2930 
 Need char = 'c'
+Line 2940 
 Need char = 'c'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 2959 
 No need char
+Line 2968 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  No need char
-Line 2975 
 No need char
+Line 2983 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  No need char
-Line 2983 
 No need char
+Line 2990 
 No need char
  /(x)*+/DZ
  ------------------------------------------------------------------
          Bra
-         Once
+         Braposzero
-         Brazero
+         CBraPos 1
-         CBra 1
          x
-         KetRmax
+         KetRpos
-         Ket
          Ket
          End
  ------------------------------------------------------------------
-Line 2999 
 No need char
+Line 3004 
 No need char
  /^(\w++|\s++)*$/I
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 3013 
 No match
+Line 3017 
 No match
  /(\d++)(\w)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3028 
 No match
+Line 3031 
 No match
  /a++b/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3037 
 Need char = 'b'
+Line 3039 
 Need char = 'b'
  /(a++b)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3047 
 Need char = 'b'
+Line 3048 
 Need char = 'b'
  /(a++)b/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
 Line 3057 
 Need char = 'b'
  /([^()]++|\([^()]*\))+/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3067 
 No need char
+Line 3066 
 No need char
  /\(([^()]++|\([^()]+\))+\)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = '('
  Need char = ')'
-Line 3130 
 Failed: nothing to repeat at offset 7
+Line 3128 
 Failed: nothing to repeat at offset 7
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  Need char = 'b'
-Line 3147 
 Need char = 'b'
+Line 3144 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = 'x'
  Need char = 'b'
-Line 3176 
 Need char = 'b'
+Line 3172 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 5
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 3192 
 No need char
+Line 3187 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 3210 
 Need char = 'b'
+Line 3204 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 3225 
 Failed: POSIX collating elements are not
+Line 3218 
 Failed: POSIX collating elements are not
  Failed: POSIX named classes are supported only within a class at offset 0
  /\l/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\L/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\N{name}/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\u/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\U/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /[/I
  Failed: missing terminating ] for character class at offset 1
-Line 3286 
 No need char
+Line 3279 
 No need char
  /< (?: (?(R) \d++  | [^<>]*+) | (?R)) * >/Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '<'
  Need char = '>'
-Line 3336 
 Need char = 'X'
+Line 3328 
 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 newline
  No need char
-Line 3351 
 No need char
+Line 3341 
 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
-Line 3366 
 No need char
+Line 3354 
 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 newline
  Need char = 'z'
-Line 3374 
 Need char = 'z'
+Line 3361 
 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
-Line 3391 
 Need char = 'b'
+Line 3377 
 Need char = 'b'
  /(?=a).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 3497 
 Capturing subpattern count = 0
+Line 3482 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /[^a]/I
-Line 3516 
 Capturing subpattern count = 0
+Line 3502 
 Capturing subpattern count = 0
  No options
  No first char
  Need char = '6'
+ Subject length lower bound = 4
  Starting byte set: 0 1 2 3 4 5 6 7 8 9
  /a^b/I
-Line 3549 
 Capturing subpattern count = 0
+Line 3536 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: A B a b
  /[ab](?i)cd/IS
-Line 3556 
 Capturing subpattern count = 0
+Line 3544 
 Capturing subpattern count = 0
  No options
  No first char
  Need char = 'd' (caseless)
+ Subject length lower bound = 3
  Starting byte set: a b
  /abc(?C)def/I
-Line 3591 
 Need char = 'f'
+Line 3580 
 Need char = 'f'
    ^    ^     f
 : abcdef
- /(?C1)\dabc(?C2)def/I
+ /(?C1)\dabc(?C2)def/IS
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = 'f'
+ Subject length lower bound = 7
+ Starting byte set: 0 1 2 3 4 5 6 7 8 9
+abcdef
+ --->1234abcdef
+^              \d
+ ^             \d
+  ^            \d
+   ^           \d
+   ^   ^       d
+: 4abcdef
+     *** Failers
+ No match
+     abcdef
+ No match
+ /(?C1)\dabc(?C2)def/ISS
  Capturing subpattern count = 0
  No options
  No first char
-Line 3713 
 No need char
+Line 3722 
 No need char
  /(\d{3}(?C))*/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3842 
 Callout 0: last capture = 1
+Line 3850 
 Callout 0: last capture = 1
  /a(b+)(c*)(?C1)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3868 
 No match
+Line 3875 
 No match
  /a(b+?)(c*?)(?C1)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3909 
 Capturing subpattern count = 0
+Line 3915 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /(?R)/I
-Line 3997 
 Need char = '<'
+Line 4004 
 Need char = '<'
          Bra
          CBra 1
          a
-         Once
          Recurse
-         Ket
          b
          Ket
          Ket
-Line 4028 
 No options
+Line 4033 
 No options
  First char = 'a'
  Need char = 'b'
- /^\W*(?:((.)\W*(?1)\W*\2|)|((.)\W*(?3)\W*\4|\W*.\W*))\W*$/Ii
- 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))$/I
  Capturing subpattern count = 2
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 4105 
 No match
+Line 4075 
 No match
  /((< (?: (?(R) \d++  | [^<>]*+) | (?2)) * >))/Ix
  Capturing subpattern count = 2
- Partial matching not supported
  Options: extended
  First char = '<'
  Need char = '>'
-Line 4256 
 Need char = 'a'
+Line 4225 
 Need char = 'a'
          Any
          \1
          bbb
-         Once
          Recurse
-         Ket
          d
          Ket
          End
-Line 4279 
 Named capturing subpatterns:
+Line 4246 
 Named capturing subpatterns:
    one     1
    three   3
    two     2
- Partial matching not supported
  Options: anchored caseless
  No first char
  No need char
-Line 4325 
 No need char
+Line 4291 
 No need char
  /(.*)a/Is
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'a'
-Line 4333 
 Need char = 'a'
+Line 4298 
 Need char = 'a'
  /(.*)a\1/Is
  Capturing subpattern count = 1
  Max back reference = 1
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'a'
-Line 4341 
 Need char = 'a'
+Line 4305 
 Need char = 'a'
  /(.*)a(b)\2/Is
  Capturing subpattern count = 2
  Max back reference = 2
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'b'
  /((.*)a|(.*)b)z/Is
  Capturing subpattern count = 3
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'z'
-Line 4356 
 Need char = 'z'
+Line 4318 
 Need char = 'z'
  /((.*)a|(.*)b)z\1/Is
  Capturing subpattern count = 3
  Max back reference = 1
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'z'
-Line 4364 
 Need char = 'z'
+Line 4325 
 Need char = 'z'
  /((.*)a|(.*)b)z\2/Is
  Capturing subpattern count = 3
  Max back reference = 2
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'z'
-Line 4372 
 Need char = 'z'
+Line 4332 
 Need char = 'z'
  /((.*)a|(.*)b)z\3/Is
  Capturing subpattern count = 3
  Max back reference = 3
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'z'
-Line 4380 
 Need char = 'z'
+Line 4339 
 Need char = 'z'
  /((.*)a|^(.*)b)z\3/Is
  Capturing subpattern count = 3
  Max back reference = 3
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'z'
  /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a/Is
  Capturing subpattern count = 31
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 4395 
 No need char
+Line 4352 
 No need char
  /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\31/Is
  Capturing subpattern count = 31
  Max back reference = 31
- Partial matching not supported
  Options: dotall
  No first char
  No need char
-Line 4403 
 No need char
+Line 4359 
 No need char
  /(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\32/Is
  Capturing subpattern count = 32
  Max back reference = 32
- Partial matching not supported
  Options: dotall
  No first char
  No need char
-Line 4470 
 Need char = 'c'
+Line 4425 
 Need char = 'c'
  /(a+)*zz/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  Need char = 'z'
-Line 4607 
 Failed: two named subpatterns have the s
+Line 4561 
 Failed: two named subpatterns have the s
  Capturing subpattern count = 3
  Named capturing subpatterns:
    elem   2
- Partial matching not supported
  No options
  First char = '['
  Need char = ']'
-Line 4625 
 No match
+Line 4578 
 No match
  Capturing subpattern count = 3
  Named capturing subpatterns:
    elem   2
- Partial matching not supported
  No options
  First char = '['
  Need char = ']'
-Line 4645 
 Need char = ']'
+Line 4597 
 Need char = ']'
          a
          CBra 2
          b
-         Once
          Recurse
-         Ket
          c
          Ket
          Ket
-Line 4667 
 No need char
+Line 4617 
 No need char
          a
          CBra 2
          b
-         Once
          Recurse
-         Ket
          c
          Ket
          KetRmax
-Line 4690 
 No need char
+Line 4638 
 No need char
          a
          CBra 2
          b
-         Once
          Recurse
-         Ket
          c
          Ket
          Ket
-Line 4701 
 No need char
+Line 4647 
 No need char
          a
          CBra 2
          b
-         Once
          Recurse
-         Ket
          c
          Ket
          Ket
-Line 4732 
 No need char
+Line 4676 
 No need char
  /((w\/|-|with)*(free|immediate)*.*?shipping\s*[!.-]*)/Ii
  Capturing subpattern count = 3
- Partial matching not supported
  Options: caseless
  No first char
  Need char = 'g' (caseless)
-Line 4742 
 Need char = 'g' (caseless)
+Line 4685 
 Need char = 'g' (caseless)
  /((w\/|-|with)*(free|immediate)*.*?shipping\s*[!.-]*)/IiS
  Capturing subpattern count = 3
- Partial matching not supported
  Options: caseless
  No first char
  Need char = 'g' (caseless)
- Study returned NULL
+ Subject length lower bound = 8
+ No set of starting bytes
       Baby Bjorn Active Carrier - With free SHIPPING!!
 : Baby Bjorn Active Carrier - With free SHIPPING!!
 : Baby Bjorn Active Carrier - With free SHIPPING!!
-Line 4761 
 Study returned NULL
+Line 4704 
 Study returned NULL
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'b'
- Study returned NULL
+ Subject length lower bound = 1
+ No set of starting bytes
  /(a|b)*.?c/ISDZ
  ------------------------------------------------------------------
-Line 4785 
 Capturing subpattern count = 1
+Line 4728 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'c'
- Study returned NULL
+ Subject length lower bound = 1
+ No set of starting bytes
  /abc(?C255)de(?C)f/DZ
  ------------------------------------------------------------------
-Line 4842 
 Need char = 'e'
+Line 4786 
 Need char = 'e'
   +4 ^   ^      e
  No match
- /a*b/ICDZ
+ /a*b/ICDZS
+ ------------------------------------------------------------------
+         Bra
+         Callout 255 0 2
+         a*+
+         Callout 255 2 1
+         b
+         Callout 255 3 0
+         Ket
+         End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 0
+ Options:
+ No first char
+ Need char = 'b'
+ Subject length lower bound = 1
+ Starting byte set: a b
+   ab
+ --->ab
+  +0 ^      a*
+  +2 ^^     b
+  +3 ^ ^
+: ab
+   aaaab
+ --->aaaab
+  +0 ^         a*
+  +2 ^   ^     b
+  +3 ^    ^
+: aaaab
+   aaaacb
+ --->aaaacb
+  +0 ^          a*
+  +2 ^   ^      b
+  +0  ^         a*
+  +2  ^  ^      b
+  +0   ^        a*
+  +2   ^ ^      b
+  +0    ^       a*
+  +2    ^^      b
+  +0      ^     a*
+  +2      ^     b
+  +3      ^^
+: b
+ /a*b/ICDZSS
  ------------------------------------------------------------------
          Bra
          Callout 255 0 2
-Line 4854 
 No match
+Line 4842 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  No first char
  Need char = 'b'
-Line 4899 
 Need char = 'b'
+Line 4886 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  First char = 'a'
  Need char = 'b'
-Line 4927 
 Need char = 'b'
+Line 4913 
 Need char = 'b'
   +2    ^^      b
  No match
- /(abc|def)x/ICDZ
+ /(abc|def)x/ICDZS
+ ------------------------------------------------------------------
+         Bra
+         Callout 255 0 9
+         CBra 1
+         Callout 255 1 1
+         a
+         Callout 255 2 1
+         b
+         Callout 255 3 1
+         c
+         Callout 255 4 0
+         Alt
+         Callout 255 5 1
+         d
+         Callout 255 6 1
+         e
+         Callout 255 7 1
+         f
+         Callout 255 8 0
+         Ket
+         Callout 255 9 1
+         x
+         Callout 255 10 0
+         Ket
+         End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ Options:
+ No first char
+ Need char = 'x'
+ Subject length lower bound = 4
+ Starting byte set: a d
+   abcx
+ --->abcx
+  +0 ^        (abc|def)
+  +1 ^        a
+  +2 ^^       b
+  +3 ^ ^      c
+  +4 ^  ^     |
+  +9 ^  ^     x
+ +10 ^   ^
+: abcx
+: abc
+   defx
+ --->defx
+  +0 ^        (abc|def)
+  +1 ^        a
+  +5 ^        d
+  +6 ^^       e
+  +7 ^ ^      f
+  +8 ^  ^     )
+  +9 ^  ^     x
+ +10 ^   ^
+: defx
+: def
+   ** Failers
+ No match
+   abcdefzx
+ --->abcdefzx
+  +0 ^            (abc|def)
+  +1 ^            a
+  +2 ^^           b
+  +3 ^ ^          c
+  +4 ^  ^         |
+  +9 ^  ^         x
+  +5 ^            d
+  +0    ^         (abc|def)
+  +1    ^         a
+  +5    ^         d
+  +6    ^^        e
+  +7    ^ ^       f
+  +8    ^  ^      )
+  +9    ^  ^      x
+ No match
+ /(abc|def)x/ICDZSS
  ------------------------------------------------------------------
          Bra
          Callout 255 0 9
-Line 4981 
 Need char = 'x'
+Line 5043 
 Need char = 'x'
  +10 ^   ^
 : defx
 : def
+   ** Failers
+ No match
    abcdefzx
  --->abcdefzx
   +0 ^            (abc|def)
-Line 5081 
 No need char
+Line 5145 
 No need char
 : abcdcdcd
 : cd
- /([ab]{,4}c|xy)/ICDZ
+ /([ab]{,4}c|xy)/ICDZS
  ------------------------------------------------------------------
          Bra
          Callout 255 0 14
-Line 5114 
 Capturing subpattern count = 1
+Line 5178 
 Capturing subpattern count = 1
  Options:
  No first char
  No need char
+ Subject length lower bound = 2
+ Starting byte set: a b x
      Note: that { does NOT introduce a quantifier
  --->Note: that { does NOT introduce a quantifier
-  +0 ^                                                ([ab]{,4}c|xy)
+  +0         ^                                        ([ab]{,4}c|xy)
-  +1 ^                                                [ab]
+  +1         ^                                        [ab]
- +11 ^                                                x
+  +5         ^^                                       {
-  +0  ^                                               ([ab]{,4}c|xy)
+ +11         ^                                        x
-  +1  ^                                               [ab]
+  +0                                 ^                ([ab]{,4}c|xy)
- +11  ^                                               x
+  +1                                 ^                [ab]
-  +0   ^                                              ([ab]{,4}c|xy)
+  +5                                 ^^               {
-  +1   ^                                              [ab]
+ +11                                 ^                x
- +11   ^                                              x
+  +0                                     ^            ([ab]{,4}c|xy)
-  +0    ^                                             ([ab]{,4}c|xy)
+  +1                                     ^            [ab]
-  +1    ^                                             [ab]
+  +5                                     ^^           {
- +11    ^                                             x
+ +11                                     ^            x
-  +0     ^                                            ([ab]{,4}c|xy)
+ No match
-  +1     ^                                            [ab]
- +11     ^                                            x
+ /([ab]{,4}c|xy)/ICDZSS
-  +0      ^                                           ([ab]{,4}c|xy)
+ ------------------------------------------------------------------
-  +1      ^                                           [ab]
+         Bra
- +11      ^                                           x
+         Callout 255 0 14
-  +0       ^                                          ([ab]{,4}c|xy)
+         CBra 1
-  +1       ^                                          [ab]
+         Callout 255 1 4
- +11       ^                                          x
+         [ab]
+         Callout 255 5 1
+         {
+         Callout 255 6 1
+         ,
+         Callout 255 7 1
+         Callout 255 8 1
+         }
+         Callout 255 9 1
+         c
+         Callout 255 10 0
+         Alt
+         Callout 255 11 1
+         x
+         Callout 255 12 1
+         y
+         Callout 255 13 0
+         Ket
+         Callout 255 14 0
+         Ket
+         End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 1
+ Options:
+ No first char
+ No need char
+     Note: that { does NOT introduce a quantifier
+ --->Note: that { does NOT introduce a quantifier
+  +0 ^                                                ([ab]{,4}c|xy)
+  +1 ^                                                [ab]
+ +11 ^                                                x
+  +0  ^                                               ([ab]{,4}c|xy)
+  +1  ^                                               [ab]
+ +11  ^                                               x
+  +0   ^                                              ([ab]{,4}c|xy)
+  +1   ^                                              [ab]
+ +11   ^                                              x
+  +0    ^                                             ([ab]{,4}c|xy)
+  +1    ^                                             [ab]
+ +11    ^                                             x
+  +0     ^                                            ([ab]{,4}c|xy)
+  +1     ^                                            [ab]
+ +11     ^                                            x
+  +0      ^                                           ([ab]{,4}c|xy)
+  +1      ^                                           [ab]
+ +11      ^                                           x
+  +0       ^                                          ([ab]{,4}c|xy)
+  +1       ^                                          [ab]
+ +11       ^                                          x
   +0        ^                                         ([ab]{,4}c|xy)
   +1        ^                                         [ab]
  +11        ^                                         x
-Line 5337 
 No match
+Line 5452 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options:
  No first char
  Need char = '3'
-Line 5369 
 Need char = '3'
+Line 5483 
 Need char = '3'
  /\b.*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5378 
 No need char
+Line 5491 
 No need char
  /\b.*/Is
  Capturing subpattern count = 0
- Partial matching not supported
  Options: dotall
  No first char
  No need char
-Line 5387 
 No need char
+Line 5499 
 No need char
  /(?!.bcd).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5400 
 No options
+Line 5511 
 No options
  First char = 'a'
  Need char = 'e'
      ab\P
- Partial match
+ Partial match: ab
      abc\P
- Partial match
+ Partial match: abc
      abcd\P
- Partial match
+ Partial match: abcd
      abcde\P
 : abcde
      the quick brown abc\P
- Partial match
+ Partial match: abc
      ** Failers\P
  No match
      the quick brown abxyz fox\P
-Line 5433 
 Need char = '/'
+Line 5544 
 Need char = '/'
 : 02
 : 05
 \P
- Partial match
+ Partial match: 1
 /2\P
- Partial match
+ Partial match: 1/2
 /2/0\P
- Partial match
+ Partial match: 1/2/0
 /2/04\P
 : 1/2/04
 : 1
 : 2
 \P
- Partial match
+ Partial match: 0
 /\P
- Partial match
+ Partial match: 02/
 /0\P
- Partial match
+ Partial match: 02/0
 /1\P
- Partial match
+ Partial match: 02/1
      ** Failers\P
  No match
      \P
-Line 5471 
 No match
+Line 5582 
 No match
  /0{0,2}ABC/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'C'
  /\d{3,}ABC/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'C'
  /\d*ABC/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'C'
  /[abc]+DE/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'E'
-Line 5505 
 Need char = '3'
+Line 5612 
 Need char = '3'
 \P
 : 123
      a\P
- Partial match
+ Partial match: a
      b\P
- Partial match
+ Partial match: b
      c\P
- Partial match
+ Partial match: c
      c12\P
- Partial match
+ Partial match: c12
      c123\P
 : c123
-Line 5521 
 Options: anchored
+Line 5628 
 Options: anchored
  No first char
  Need char = 'X'
 \P
- Partial match
+ Partial match: 1
 \P
- Partial match
+ Partial match: 123
 X
 : 123X
 \P
- Partial match
+ Partial match: 1234
 X
 : 1234X
 \P
- Partial match
+ Partial match: 12345
 X
 : 12345X
      *** Failers
-Line 5541 
 No match
+Line 5648 
 No match
 \P
  No match
- /abc/I>testsavedregex
+ /abc/IS>testsavedregex
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'c'
+ Subject length lower bound = 3
+ No set of starting bytes
+ Compiled pattern written to testsavedregex
+ Study data written to testsavedregex
+ <testsavedregex
+ Compiled pattern loaded from testsavedregex
+ Study data loaded from testsavedregex
+     abc
+: abc
+     ** Failers
+ No match
+     bca
+ No match
+ /abc/ISS>testsavedregex
  Capturing subpattern count = 0
  No options
  First char = 'a'
  Need char = 'c'
- Compiled regex written to testsavedregex
+ Compiled pattern written to testsavedregex
  <testsavedregex
- Compiled regex loaded from testsavedregex
+ Compiled pattern loaded from testsavedregex
  No study data
      abc
 : abc
-Line 5557 
 No match
+Line 5683 
 No match
      bca
  No match
- /abc/IF>testsavedregex
+ /abc/IFS>testsavedregex
+ Capturing subpattern count = 0
+ No options
+ First char = 'a'
+ Need char = 'c'
+ Subject length lower bound = 3
+ No set of starting bytes
+ Compiled pattern written to testsavedregex
+ Study data written to testsavedregex
+ <testsavedregex
+ Compiled pattern (byte-inverted) loaded from testsavedregex
+ Study data loaded from testsavedregex
+     abc
+: abc
+     ** Failers
+ No match
+     bca
+ No match
+ /abc/IFSS>testsavedregex
  Capturing subpattern count = 0
  No options
  First char = 'a'
  Need char = 'c'
- Compiled regex written to testsavedregex
+ Compiled pattern written to testsavedregex
  <testsavedregex
- Compiled regex (byte-inverted) loaded from testsavedregex
+ Compiled pattern (byte-inverted) loaded from testsavedregex
  No study data
      abc
 : abc
-Line 5578 
 Capturing subpattern count = 1
+Line 5723 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
- Compiled regex written to testsavedregex
+ Compiled pattern written to testsavedregex
  Study data written to testsavedregex
  <testsavedregex
- Compiled regex loaded from testsavedregex
+ Compiled pattern loaded from testsavedregex
  Study data loaded from testsavedregex
      abc
 : a
-Line 5593 
 Study data loaded from testsavedregex
+Line 5739 
 Study data loaded from testsavedregex
      def
  No match
+ /(a|b)/ISS>testsavedregex
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ Compiled pattern written to testsavedregex
+ <testsavedregex
+ Compiled pattern loaded from testsavedregex
+ No study data
+     abc
+: a
+: a
+     ** Failers
+: a
+: a
+     def
+ No match
  /(a|b)/ISF>testsavedregex
  Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
- Compiled regex written to testsavedregex
+ Compiled pattern written to testsavedregex
  Study data written to testsavedregex
  <testsavedregex
- Compiled regex (byte-inverted) loaded from testsavedregex
+ Compiled pattern (byte-inverted) loaded from testsavedregex
  Study data loaded from testsavedregex
      abc
 : a
-Line 5613 
 Study data loaded from testsavedregex
+Line 5778 
 Study data loaded from testsavedregex
      def
  No match
+ /(a|b)/ISSF>testsavedregex
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ Compiled pattern written to testsavedregex
+ <testsavedregex
+ Compiled pattern (byte-inverted) loaded from testsavedregex
+ No study data
+     abc
+: a
+: a
+     ** Failers
+: a
+: a
+     def
+ No match
  ~<(\w+)/?>(.)*</(\1)>~smgI
  Capturing subpattern count = 3
  Max back reference = 1
- Partial matching not supported
  Options: multiline dotall
  First char = '<'
  Need char = '>'
-     <!DOCTYPE seite SYSTEM "http://www.lco.lineas.de/xmlCms.dtd">\n<seite>\n<dokumenteninformation>\n<seitentitel>Partner der LCO</seitentitel>\n<sprache>de</sprache>\n<seitenbeschreibung>Partner der LINEAS Consulting\nGmbH</seitenbeschreibung>\n<schluesselworte>LINEAS Consulting GmbH Hamburg\nPartnerfirmen</schluesselworte>\n<revisit>30 days</revisit>\n<robots>index,follow</robots>\n<menueinformation>\n<aktiv>ja</aktiv>\n<menueposition>3</menueposition>\n<menuetext>Partner</menuetext>\n</menueinformation>\n<lastedited>\n<autor>LCO</autor>\n<firma>LINEAS Consulting</firma>\n<datum>15.10.2003</datum>\n</lastedited>\n</dokumenteninformation>\n<inhalt>\n\n<absatzueberschrift>Die Partnerfirmen der LINEAS Consulting\nGmbH</absatzueberschrift>\n\n<absatz><link ziel="http://www.ca.com/" zielfenster="_blank">\n<bild name="logo_ca.gif" rahmen="no"/></link> <link\nziel="http://www.ey.com/" zielfenster="_blank"><bild\nname="logo_euy.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><link ziel="http://www.cisco.de/" zielfenster="_blank">\n<bild name="logo_cisco.gif" rahmen="ja"/></link></absatz>\n\n<absatz><link ziel="http://www.atelion.de/"\nzielfenster="_blank"><bild\nname="logo_atelion.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><link ziel="http://www.line-information.de/"\nzielfenster="_blank">\n<bild name="logo_line_information.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><bild name="logo_aw.gif" rahmen="no"/></absatz>\n\n<absatz><link ziel="http://www.incognis.de/"\nzielfenster="_blank"><bild\nname="logo_incognis.gif" rahmen="no"/></link></absatz>\n\n<absatz><link ziel="http://www.addcraft.com/"\nzielfenster="_blank"><bild\nname="logo_addcraft.gif" rahmen="no"/></link></absatz>\n\n<absatz><link ziel="http://www.comendo.com/"\nzielfenster="_blank"><bild\nname="logo_comendo.gif" rahmen="no"/></link></absatz>\n\n</inhalt>\n</seite>
+     \J1024<!DOCTYPE seite SYSTEM "http://www.lco.lineas.de/xmlCms.dtd">\n<seite>\n<dokumenteninformation>\n<seitentitel>Partner der LCO</seitentitel>\n<sprache>de</sprache>\n<seitenbeschreibung>Partner der LINEAS Consulting\nGmbH</seitenbeschreibung>\n<schluesselworte>LINEAS Consulting GmbH Hamburg\nPartnerfirmen</schluesselworte>\n<revisit>30 days</revisit>\n<robots>index,follow</robots>\n<menueinformation>\n<aktiv>ja</aktiv>\n<menueposition>3</menueposition>\n<menuetext>Partner</menuetext>\n</menueinformation>\n<lastedited>\n<autor>LCO</autor>\n<firma>LINEAS Consulting</firma>\n<datum>15.10.2003</datum>\n</lastedited>\n</dokumenteninformation>\n<inhalt>\n\n<absatzueberschrift>Die Partnerfirmen der LINEAS Consulting\nGmbH</absatzueberschrift>\n\n<absatz><link ziel="http://www.ca.com/" zielfenster="_blank">\n<bild name="logo_ca.gif" rahmen="no"/></link> <link\nziel="http://www.ey.com/" zielfenster="_blank"><bild\nname="logo_euy.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><link ziel="http://www.cisco.de/" zielfenster="_blank">\n<bild name="logo_cisco.gif" rahmen="ja"/></link></absatz>\n\n<absatz><link ziel="http://www.atelion.de/"\nzielfenster="_blank"><bild\nname="logo_atelion.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><link ziel="http://www.line-information.de/"\nzielfenster="_blank">\n<bild name="logo_line_information.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><bild name="logo_aw.gif" rahmen="no"/></absatz>\n\n<absatz><link ziel="http://www.incognis.de/"\nzielfenster="_blank"><bild\nname="logo_incognis.gif" rahmen="no"/></link></absatz>\n\n<absatz><link ziel="http://www.addcraft.com/"\nzielfenster="_blank"><bild\nname="logo_addcraft.gif" rahmen="no"/></link></absatz>\n\n<absatz><link ziel="http://www.comendo.com/"\nzielfenster="_blank"><bild\nname="logo_comendo.gif" rahmen="no"/></link></absatz>\n\n</inhalt>\n</seite>
 : <seite>\x0a<dokumenteninformation>\x0a<seitentitel>Partner der LCO</seitentitel>\x0a<sprache>de</sprache>\x0a<seitenbeschreibung>Partner der LINEAS Consulting\x0aGmbH</seitenbeschreibung>\x0a<schluesselworte>LINEAS Consulting GmbH Hamburg\x0aPartnerfirmen</schluesselworte>\x0a<revisit>30 days</revisit>\x0a<robots>index,follow</robots>\x0a<menueinformation>\x0a<aktiv>ja</aktiv>\x0a<menueposition>3</menueposition>\x0a<menuetext>Partner</menuetext>\x0a</menueinformation>\x0a<lastedited>\x0a<autor>LCO</autor>\x0a<firma>LINEAS Consulting</firma>\x0a<datum>15.10.2003</datum>\x0a</lastedited>\x0a</dokumenteninformation>\x0a<inhalt>\x0a\x0a<absatzueberschrift>Die Partnerfirmen der LINEAS Consulting\x0aGmbH</absatzueberschrift>\x0a\x0a<absatz><link ziel="http://www.ca.com/" zielfenster="_blank">\x0a<bild name="logo_ca.gif" rahmen="no"/></link> <link\x0aziel="http://www.ey.com/" zielfenster="_blank"><bild\x0aname="logo_euy.gif" rahmen="no"/></link>\x0a</absatz>\x0a\x0a<absatz><link ziel="http://www.cisco.de/" zielfenster="_blank">\x0a<bild name="logo_cisco.gif" rahmen="ja"/></link></absatz>\x0a\x0a<absatz><link ziel="http://www.atelion.de/"\x0azielfenster="_blank"><bild\x0aname="logo_atelion.gif" rahmen="no"/></link>\x0a</absatz>\x0a\x0a<absatz><link ziel="http://www.line-information.de/"\x0azielfenster="_blank">\x0a<bild name="logo_line_information.gif" rahmen="no"/></link>\x0a</absatz>\x0a\x0a<absatz><bild name="logo_aw.gif" rahmen="no"/></absatz>\x0a\x0a<absatz><link ziel="http://www.incognis.de/"\x0azielfenster="_blank"><bild\x0aname="logo_incognis.gif" rahmen="no"/></link></absatz>\x0a\x0a<absatz><link ziel="http://www.addcraft.com/"\x0azielfenster="_blank"><bild\x0aname="logo_addcraft.gif" rahmen="no"/></link></absatz>\x0a\x0a<absatz><link ziel="http://www.comendo.com/"\x0azielfenster="_blank"><bild\x0aname="logo_comendo.gif" rahmen="no"/></link></absatz>\x0a\x0a</inhalt>\x0a</seite>
 : seite
 : \x0a
-Line 5669 
 No match
+Line 5851 
 No match
      line one\nthis is a line\nbreak in the second line
  No match
- /ab.cd/IP
+ /ab.cd/P
      ab-cd
 : ab-cd
      ab=cd
-Line 5679 
 No match: POSIX code 17: match failed
+Line 5861 
 No match: POSIX code 17: match failed
      ab\ncd
  No match: POSIX code 17: match failed
- /ab.cd/IPs
+ /ab.cd/Ps
      ab-cd
 : ab-cd
      ab=cd
-Line 5923 
 Matched, but too many substrings
+Line 6105 
 Matched, but too many substrings
  /[^()]*(?:\((?R)\)[^()]*)*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5936 
 No need char
+Line 6117 
 No need char
  /[^()]*(?:\((?>(?R))\)[^()]*)*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5947 
 No need char
+Line 6127 
 No need char
  /[^()]*(?:\((?R)\))*[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5958 
 No need char
+Line 6137 
 No need char
  /(?:\((?R)\))*[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5971 
 No need char
+Line 6149 
 No need char
  /(?:\((?R)\))|[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5984 
 No need char
+Line 6161 
 No need char
      ((this))
 : ((this))
- /a(b)c/IPN
+ /a(b)c/PN
      abc
  Matched with REG_NOSUB
- /a(?P<name>b)c/IPN
+ /a(?P<name>b)c/PN
      abc
  Matched with REG_NOSUB
-Line 6313 
 Failed: octal value is greater than \377
+Line 6490 
 Failed: octal value is greater than \377
  /\s*,\s*/IS
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = ','
+ Subject length lower bound = 1
  Starting byte set: \x09 \x0a \x0c \x0d \x20 ,
      \x0b,\x0b
 : ,
-Line 6443 
 Unknown newline type at:
+Line 6620 
 Unknown newline type at:
  /.*/I<lf>
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  Forced newline sequence: LF
  First char at start or follows newline
-Line 6469 
 No need char
+Line 6645 
 No need char
  /\w+(.)(.)?def/Is
  Capturing subpattern count = 2
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'f'
-Line 6486 
 Need char = 'f'
+Line 6661 
 Need char = 'f'
  +((?:\s|//.*\\n|/[*](?:\\n|.)*?[*]/)*)+I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 6621 
 No need char
+Line 6795 
 No need char
  /(a*b|(?i:c*(?-i)d))/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: C a b c d
  /()[ab]xyz/IS
-Line 6632 
 Capturing subpattern count = 1
+Line 6806 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b
  /(|)[ab]xyz/IS
-Line 6639 
 Capturing subpattern count = 1
+Line 6814 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b
  /(|c)[ab]xyz/IS
-Line 6646 
 Capturing subpattern count = 1
+Line 6822 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c
  /(|c?)[ab]xyz/IS
-Line 6653 
 Capturing subpattern count = 1
+Line 6830 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c
  /(d?|c?)[ab]xyz/IS
-Line 6660 
 Capturing subpattern count = 1
+Line 6838 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c d
  /(d?|c)[ab]xyz/IS
-Line 6667 
 Capturing subpattern count = 1
+Line 6846 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c d
  /^a*b\d/DZ
-Line 6680 
 Starting byte set: a b c d
+Line 6860 
 Starting byte set: a b c d
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6696 
 Need char = 'b'
+Line 6875 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6712 
 Need char = 'b'
+Line 6890 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6728 
 Need char = 'b'
+Line 6905 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'A'
-Line 6743 
 No match
+Line 6919 
 No match
  ------------------------------------------------------------------
          Bra
          ^
-         a*
+      /i a*
-      NC A
+      /i A
          \d
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored caseless
  No first char
  Need char = 'A' (caseless)
-Line 6761 
 Need char = 'A' (caseless)
+Line 6936 
 Need char = 'A' (caseless)
  /(a*|b*)[cd]/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(a+|b*)[cd]/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(a*|b+)[cd]/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(a+|b+)[cd]/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 2
  Starting byte set: a b
  /((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
-Line 7373 
 Matched, but too many substrings
+Line 7548 
 Matched, but too many substrings
  /[^a]+a/BZi
  ------------------------------------------------------------------
          Bra
-         [^A]++
+      /i [^A]++
-      NC a
+      /i a
          Ket
          End
  ------------------------------------------------------------------
-Line 7382 
 Matched, but too many substrings
+Line 7557 
 Matched, but too many substrings
  /[^a]+A/BZi
  ------------------------------------------------------------------
          Bra
-         [^A]++
+      /i [^A]++
-      NC A
+      /i A
          Ket
          End
  ------------------------------------------------------------------
-Line 7578 
 No match
+Line 7753 
 No match
  ------------------------------------------------------------------
          Bra
          ^
-         Once
          Recurse
-         Ket
          [()]
          CBra 1
          Ket
-Line 7594 
 No match
+Line 7767 
 No match
          ^
          CBra 1
          Cond
-Cond ref
+Cond nref
          y
          Ket
          [()]
-Line 7614 
 No match
+Line 7787 
 No match
  ------------------------------------------------------------------
          Bra
          ^
-         Once
          Recurse
-         Ket
          ()
          CBra 1
          Ket
-Line 7628 
 No match
+Line 7799 
 No match
  ------------------------------------------------------------------
          Bra
          ^
-         Once
          Recurse
-         Ket
          [(\]a]
          CBra 1
          Ket
-Line 7643 
 No match
+Line 7812 
 No match
  ------------------------------------------------------------------
          Bra
          ^
-         Once
          Recurse
-         Ket
          CBra 1
          Ket
          Ket
-Line 7660 
 Named capturing subpatterns:
+Line 7827 
 Named capturing subpatterns:
    one     1
    three   3
    two     2
- Partial matching not supported
  Options: anchored caseless
  No first char
  No need char
-Line 7694 
 No match
+Line 7860 
 No match
  /(?=(\w+))\1:/I
  Capturing subpattern count = 1
  Max back reference = 1
- Partial matching not supported
  No options
  No first char
  Need char = ':'
-Line 7707 
 Capturing subpattern count = 1
+Line 7872 
 Capturing subpattern count = 1
  Max back reference = 1
  Named capturing subpatterns:
    abc   1
- Partial matching not supported
  No options
  No first char
  Need char = ':'
-Line 7715 
 Need char = ':'
+Line 7879 
 Need char = ':'
 : abcd:
 : abcd
- /(?'abc'\w+):\k<abc>{2}/
-     a:aaxyz
-: a:aa
-: a
-     ab:ababxyz
-: ab:abab
-: ab
-     ** Failers
- No match
-     a:axyz
- No match
-     ab:abxyz
- No match
  /(?'abc'a|b)(?<abc>d|e)\k<abc>{2}/J
      adaa
 : adaa
-Line 7755 
 No match
+Line 7905 
 No match
      bddd
  No match
- /^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x
-     abd
-: abd
-: a
-     ce
-: ce
  /(?(<bc))/
  Failed: malformed number or name after (?( at offset 6
-Line 7792 
 Failed: reference to non-existent subpat
+Line 7935 
 Failed: reference to non-existent subpat
 : abcabc1Xabc2XabcX
 : abcabc1Xabc2XabcX
- /^(?(DEFINE) (?<A> a) (?<B> b) )  (?&A) (?&B) /x
-     abcd
-: ab
-: <unset>
-: <unset>
- /(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
-   (?(DEFINE)
-   (?<NAME_PAT>[a-z]+)
-   (?<ADDRESS_PAT>\d+)
-   )/x
-     metcalfe 33
-: metcalfe 33
-: metcalfe
-: 33
-: <unset>
-: <unset>
  /^(?(DEFINE) abc | xyz ) /x
  Failed: DEFINE group contains more than one branch at offset 22
-Line 7819 
 Options: extended
+Line 7944 
 Options: extended
  First char = 'x'
  Need char = 'z'
- /(?(DEFINE) abc){3} xyz/x
- Failed: repeating a DEFINE group is not allowed at offset 17
  /(a|)*\d/
    \O0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  No match
-Line 7851 
 No match
+Line 7973 
 No match
  No match
  /^abc./mgx<any>
-     abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 \x{2028}abc8 \x{2029}abc9 JUNK
+     abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 JUNK
 : abc1
 : abc2
 : abc3
-Line 7861 
 No match
+Line 7983 
 No match
 : abc7
  /abc.$/mgx<any>
-     abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7\x{2028} abc8\x{2029} abc9
+     abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7 abc9
 : abc1
 : abc2
 : abc3
-Line 7987 
 Need char = 'P'
+Line 8109 
 Need char = 'P'
 : PXP
 : P
- /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
-.2.3.4
-: 1.2.3.4
-: <unset>
-: .4
-.111.10.206
-: 131.111.10.206
-: <unset>
-: .206
-.0.0.0
-: 10.0.0.0
-: <unset>
-: .0
-     ** Failers
- No match
-.6
- No match
-.3.4.5
- No match
- /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
-.2.3.4
-: 1.2.3.4
-: .4
-: <unset>
-.111.10.206
-: 131.111.10.206
-: .206
-: <unset>
-.0.0.0
-: 10.0.0.0
-: .0
-: <unset>
-     ** Failers
- No match
-.6
- No match
-.3.4.5
- No match
  /(?:a(?&abc)b)*(?<abc>x)/
 axbaxbaxbx456
 : axbaxbaxbx
-Line 8064 
 No match
+Line 8146 
 No match
     DEFabcABCXYZ
  No match
- /^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-02}Z/
-     ababababbbabZXXXX
-: ababababbbabZ
-: ab
-: b
  /^(a)\g-2/
  Failed: reference to non-existent subpattern at offset 7
  /^(a)\g/
- Failed: \g is not followed by a braced name or an optionally braced non-zero number at offset 5
+ Failed: a numbered reference must not be zero at offset 5
  /^(a)\g{0}/
- Failed: \g is not followed by a braced name or an optionally braced non-zero number at offset 7
+ Failed: a numbered reference must not be zero at offset 8
  /^(a)\g{3/
- Failed: \g is not followed by a braced name or an optionally braced non-zero number at offset 8
+ Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 8
  /^(a)\g{4a}/
  Failed: reference to non-existent subpattern at offset 9
-Line 8163 
 No match
+Line 8239 
 No match
 +
  /abc.$/mgx<anycrlf>
-     abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7\x{2028} abc8\x{2029} abc9
+     abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc9
 : abc1
 : abc4
 : abc5
-Line 8185 
 No match
+Line 8261 
 No match
          Alt
          c
          Ket
-         Once
          Recurse
          Ket
-         Ket
          End
  ------------------------------------------------------------------
      abc
-Line 8199 
 No match
+Line 8273 
 No match
  ------------------------------------------------------------------
          Bra
          xy
-         Once
          Recurse
-         Ket
          CBra 1
          abc
          Ket
-Line 8217 
 No match
+Line 8289 
 No match
  No match
  /x(?-0)y/
- Failed: (?+ or (?- or (?(+ or (?(- must be followed by a non-zero number at offset 5
+ Failed: a numbered reference must not be zero at offset 5
  /x(?-1)y/
  Failed: reference to non-existent subpattern at offset 5
  /x(?+0)y/
- Failed: (?+ or (?- or (?(+ or (?(- must be followed by a non-zero number at offset 5
+ Failed: a numbered reference must not be zero at offset 5
  /x(?+1)y/
  Failed: reference to non-existent subpattern at offset 5
-Line 8325 
 Failed: reference to non-existent subpat
+Line 8397 
 Failed: reference to non-existent subpat
 : Y!
 : !
- /(foo)\Kbar/
-     foobar
-: bar
-: foo
- /(foo)(\Kbar|baz)/
-     foobar
-: bar
-: foo
-: bar
-     foobaz
-: foobaz
-: foo
-: baz
- /(foo\Kbar)baz/
-     foobarbaz
-: barbaz
-: foobar
  /(?<A>tom|bon)-\k{A}/
      tom-tom
 : tom-tom
-Line 8357 
 No match
+Line 8409 
 No match
      tom-bon
  No match
- /(?<A>tom|bon)-\g{A}/
-     tom-tom
-: tom-tom
-: tom
-     bon-bon
-: bon-bon
-: bon
  /\g{A/
  Failed: syntax error in subpattern name (missing terminator) at offset 4
-Line 8459 
 Failed: syntax error in subpattern name
+Line 8503 
 Failed: syntax error in subpattern name
 : <unset>
 : x
- /(?|(abc)|(xyz))\1/
-     abcabc
-: abcabc
-: abc
-     xyzxyz
-: xyzxyz
-: xyz
-     ** Failers
- No match
-     abcxyz
- No match
-     xyzabc
- No match
- /(?|(abc)|(xyz))(?1)/
-     abcabc
-: abcabc
-: abc
-     xyzabc
-: xyzabc
-: xyz
-     ** Failers
- No match
-     xyzxyz
- No match
- /\H\h\V\v/
-     X X\x0a
-: X X\x0a
-     X\x09X\x0b
-: X\x09X\x0b
-     ** Failers
- No match
-     \xa0 X\x0a
- No match
- /\H*\h+\V?\v{3,4}/
-     \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
-: \x09 \xa0X\x0a\x0b\x0c\x0d
-     \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
-: \x09 \xa0\x0a\x0b\x0c\x0d
-     \x09\x20\xa0\x0a\x0b\x0c
-: \x09 \xa0\x0a\x0b\x0c
-     ** Failers
- No match
-     \x09\x20\xa0\x0a\x0b
- No match
- /\H{3,4}/
-     XY  ABCDE
-: ABCD
-     XY  PQR ST
-: PQR
- /.\h{3,4}./
-     XY  AB    PQRS
-: B    P
- /\h*X\h?\H+Y\H?Z/
-     >XNNNYZ
-: XNNNYZ
-     >  X NYQZ
-:   X NYQZ
-     ** Failers
- No match
-     >XYZ
- No match
-     >  X NY Z
- No match
- /\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
-     >XY\x0aZ\x0aA\x0bNN\x0c
-: XY\x0aZ\x0aA\x0bNN\x0c
-     >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
-: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
  /[\h]/BZ
  ------------------------------------------------------------------
          Bra
-Line 8786 
 No match
+Line 8754 
 No match
  ------------------------------------------------------------------
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  /[\E]AAA/
-Line 8831 
 Failed: missing terminating ] for charac
+Line 8799 
 Failed: missing terminating ] for charac
          End
  ------------------------------------------------------------------
- /^a+(*FAIL)/
-     aaaaaa
- No match
- /a+b?c+(*FAIL)/
-     aaabccc
- No match
- /a+b?(*PRUNE)c+(*FAIL)/
-     aaabccc
- No match
- /a+b?(*COMMIT)c+(*FAIL)/
-     aaabccc
- No match
- /a+b?(*SKIP)c+(*FAIL)/
-     aaabcccaaabccc
- No match
- /^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
-     aaaxxxxxx
-: aaaxxxxxx
-     aaa++++++
-: aaa
-     bbbxxxxx
-: bbbxxxxx
-     bbb+++++
-: bbb
-     cccxxxx
-: cccxxxx
-     ccc++++
-: ccc
-     dddddddd
-: ddd
- /^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
-     aaaxxxxxx
-: aaaxxxxxx
-: aaaxxxxxx
-     aaa++++++
-: aaa
-: aaa
-     bbbxxxxx
-: bbbxxxxx
-: bbbxxxxx
-     bbb+++++
-: bbb
-: bbb
-     cccxxxx
-: cccxxxx
-: cccxxxx
-     ccc++++
-: ccc
-: ccc
-     dddddddd
-: ddd
-: ddd
- /a+b?(*THEN)c+(*FAIL)/
-     aaabccc
- No match
- /(A (A|B(*ACCEPT)|C) D)(E)/x
-     ABX
-: AB
-     AADE
-: AADE
-: AAD
-: A
-: E
-     ACDE
-: ACDE
-: ACD
-: C
-: E
-     ** Failers
- No match
-     AD
- No match
  /^a+(*FAIL)/C
      aaaaaa
  --->aaaaaa
-Line 9040 
 No match
+Line 8927 
 No match
  +13   ^  ^      (*FAIL)
  No match
- /a(*PRUNE:XXX)b/
- Failed: (*VERB) with an argument is not supported at offset 8
  /a(*MARK)b/
- Failed: (*VERB) not recognized at offset 7
+ Failed: (*MARK) must have an argument at offset 7
  /(?i:A{1,}\6666666666)/
  Failed: number is too big at offset 19
-Line 9052 
 Failed: number is too big at offset 19
+Line 8936 
 Failed: number is too big at offset 19
  /\g6666666666/
  Failed: number is too big at offset 11
- /[\g6666666666]/
+ /[\g6666666666]/BZ
- Failed: number is too big at offset 12
+ ------------------------------------------------------------------
+         Bra
- /(?1)\c[/
+         [6g]
- Failed: reference to non-existent subpattern at offset 3
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(?1)\c[/
+ Failed: reference to non-existent subpattern at offset 3
  /.+A/<crlf>
      \r\nA
  No match
-Line 9133 
 No match
+Line 9022 
 No match
  No match
      a\x85b
  No match
+ /(*ANY).*/g
+     abc\r\ndef
+: abc
+:
+: def
+:
+ /(*ANYCRLF).*/g
+     abc\r\ndef
+: abc
+:
+: def
+:
+ /(*CRLF).*/g
+     abc\r\ndef
+: abc
+:
+: def
+:
  /a\Rb/I<bsr_anycrlf>
  Capturing subpattern count = 0
-Line 9216 
 No match
+Line 9126 
 No match
  /a\R{2,4}b/I<bsr_anycrlf>
  Capturing subpattern count = 0
- Partial matching not supported
  Options: bsr_anycrlf
  First char = 'a'
  Need char = 'b'
-Line 9235 
 No match
+Line 9144 
 No match
  /a\R{2,4}b/I<bsr_unicode>
  Capturing subpattern count = 0
- Partial matching not supported
  Options: bsr_unicode
  First char = 'a'
  Need char = 'b'
-Line 9304 
 First char = 'a'
+Line 9212 
 First char = 'a'
  Need char = 'b'
  /(?<a>)(?&)/
- Failed: subpattern name expected after (?& at offset 9
+ Failed: subpattern name expected at offset 9
  /(?<abc>)(?&a)/
  Failed: reference to non-existent subpattern at offset 12
-Line 9331 
 Failed: reference to non-existent subpat
+Line 9239 
 Failed: reference to non-existent subpat
  /(?(2))()()/
- / End of testinput2 /
+ /\k''/
+ Failed: subpattern name expected at offset 3
+ /\k<>/
+ Failed: subpattern name expected at offset 3
+ /\k{}/
+ Failed: subpattern name expected at offset 3
+ /\k/
+ Failed: \k is not followed by a braced, angle-bracketed, or quoted name at offset 2
+ /\kabc/
+ Failed: \k is not followed by a braced, angle-bracketed, or quoted name at offset 5
+ /(?P=)/
+ Failed: subpattern name expected at offset 4
+ /(?P>)/
+ Failed: subpattern name expected at offset 4
+ /(?!\w)(?R)/
+ Failed: recursive call could loop indefinitely at offset 9
+ /(?=\w)(?R)/
+ Failed: recursive call could loop indefinitely at offset 9
+ /(?<!\w)(?R)/
+ Failed: recursive call could loop indefinitely at offset 10
+ /(?<=\w)(?R)/
+ Failed: recursive call could loop indefinitely at offset 10
+ /[[:foo:]]/
+ Failed: unknown POSIX class name at offset 3
+ /[[:1234:]]/
+ Failed: unknown POSIX class name at offset 3
+ /[[:f\oo:]]/
+ Failed: unknown POSIX class name at offset 3
+ /[[: :]]/
+ Failed: unknown POSIX class name at offset 3
+ /[[:...:]]/
+ Failed: unknown POSIX class name at offset 3
+ /[[:l\ower:]]/
+ Failed: unknown POSIX class name at offset 3
+ /[[:abc\:]]/
+ Failed: unknown POSIX class name at offset 3
+ /[abc[:x\]pqr:]]/
+ Failed: unknown POSIX class name at offset 6
+ /[[:a\dz:]]/
+ Failed: unknown POSIX class name at offset 3
+ /(^(a|b\g<-1'c))/
+ Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 15
+ /^(?+1)(?<a>x|y){0}z/
+     xzxx
+: xz
+     yzyy
+: yz
+     ** Failers
+ No match
+     xxz
+ No match
+ /(\3)(\1)(a)/
+     cat
+ No match
+ /(\3)(\1)(a)/<JS>
+     cat
+: a
+:
+:
+: a
+ /TA]/
+     The ACTA] comes
+: TA]
+ /TA]/<JS>
+ Failed: ] is an invalid data character in JavaScript compatibility mode at offset 2
+ /(?2)[]a()b](abc)/
+ Failed: reference to non-existent subpattern at offset 3
+ /(?2)[^]a()b](abc)/
+ Failed: reference to non-existent subpattern at offset 3
+ /(?1)[]a()b](abc)/
+     abcbabc
+: abcbabc
+: abc
+     ** Failers
+ No match
+     abcXabc
+ No match
+ /(?1)[^]a()b](abc)/
+     abcXabc
+: abcXabc
+: abc
+     ** Failers
+ No match
+     abcbabc
+ No match
+ /(?2)[]a()b](abc)(xyz)/
+     xyzbabcxyz
+: xyzbabcxyz
+: abc
+: xyz
+ /(?&N)[]a(?<N>)](?<M>abc)/
+ Failed: reference to non-existent subpattern at offset 4
+ /(?&N)[]a(?<N>)](abc)/
+ Failed: reference to non-existent subpattern at offset 4
+ /a[]b/
+ Failed: missing terminating ] for character class at offset 4
+ /a[^]b/
+ Failed: missing terminating ] for character class at offset 5
+ /a[]b/<JS>
+     ** Failers
+ No match
+     ab
+ No match
+ /a[]+b/<JS>
+     ** Failers
+ No match
+     ab
+ No match
+ /a[]*+b/<JS>
+     ** Failers
+ No match
+     ab
+ No match
+ /a[^]b/<JS>
+     aXb
+: aXb
+     a\nb
+: a\x0ab
+     ** Failers
+ No match
+     ab
+ No match
+ /a[^]+b/<JS>
+     aXb
+: aXb
+     a\nX\nXb
+: a\x0aX\x0aXb
+     ** Failers
+ No match
+     ab
+ No match
+ /a(?!)+b/
+ Failed: nothing to repeat at offset 5
+ /a(*FAIL)+b/
+ Failed: nothing to repeat at offset 8
+ /(abc|pqr|123){0}[xyz]/SI
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 1
+ Starting byte set: x y z
+ /(?(?=.*b)b|^)/CI
+ Capturing subpattern count = 0
+ Options:
+ No first char
+ No need char
+    adc
+ --->adc
+  +0 ^       (?(?=.*b)b|^)
+  +2 ^       (?=.*b)
+  +5 ^       .*
+  +7 ^  ^    b
+  +7 ^ ^     b
+  +7 ^^      b
+  +7 ^       b
+ +12 ^       )
+ +13 ^
+:
+    abc
+ --->abc
+  +0 ^       (?(?=.*b)b|^)
+  +2 ^       (?=.*b)
+  +5 ^       .*
+  +7 ^  ^    b
+  +7 ^ ^     b
+  +7 ^^      b
+  +8 ^ ^     )
+  +9 ^       b
+  +0  ^      (?(?=.*b)b|^)
+  +2  ^      (?=.*b)
+  +5  ^      .*
+  +7  ^ ^    b
+  +7  ^^     b
+  +7  ^      b
+  +8  ^^     )
+  +9  ^      b
+ +10  ^^     |
+ +13  ^^
+: b
+ /(?(?=b).*b|^d)/I
+ Capturing subpattern count = 0
+ No options
+ No first char
+ No need char
+ /(?(?=.*b).*b|^d)/I
+ Capturing subpattern count = 0
+ No options
+ First char at start or follows newline
+ No need char
+ /a?|b?/P
+     abc
+: a
+     ** Failers
+:
+     ddd\N
+ No match: POSIX code 17: match failed
+ /xyz/C
+   xyz
+ --->xyz
+  +0 ^       x
+  +1 ^^      y
+  +2 ^ ^     z
+  +3 ^  ^
+: xyz
+   abcxyz
+ --->abcxyz
+  +0    ^       x
+  +1    ^^      y
+  +2    ^ ^     z
+  +3    ^  ^
+: xyz
+   abcxyz\Y
+ --->abcxyz
+  +0 ^          x
+  +0  ^         x
+  +0   ^        x
+  +0    ^       x
+  +1    ^^      y
+  +2    ^ ^     z
+  +3    ^  ^
+: xyz
+   ** Failers
+ No match
+   abc
+ No match
+   abc\Y
+ --->abc
+  +0 ^       x
+  +0  ^      x
+  +0   ^     x
+  +0    ^    x
+ No match
+   abcxypqr
+ No match
+   abcxypqr\Y
+ --->abcxypqr
+  +0 ^            x
+  +0  ^           x
+  +0   ^          x
+  +0    ^         x
+  +1    ^^        y
+  +2    ^ ^       z
+  +0     ^        x
+  +0      ^       x
+  +0       ^      x
+  +0        ^     x
+  +0         ^    x
+ No match
+ /(*NO_START_OPT)xyz/C
+   abcxyz
+ --->abcxyz
+ +15 ^          x
+ +15  ^         x
+ +15   ^        x
+ +15    ^       x
+ +16    ^^      y
+ +17    ^ ^     z
+ +18    ^  ^
+: xyz
+ /xyz/CY
+   abcxyz
+ --->abcxyz
+  +0 ^          x
+  +0  ^         x
+  +0   ^        x
+  +0    ^       x
+  +1    ^^      y
+  +2    ^ ^     z
+  +3    ^  ^
+: xyz
+ /^"((?(?=[a])[^"])|b)*"$/C
+     "ab"
+ --->"ab"
+  +0 ^        ^
+  +1 ^        "
+  +2 ^^       ((?(?=[a])[^"])|b)*
+  +3 ^^       (?(?=[a])[^"])
+  +5 ^^       (?=[a])
+  +8 ^^       [a]
+ +11 ^ ^      )
+ +12 ^^       [^"]
+ +16 ^ ^      )
+ +17 ^ ^      |
+  +3 ^ ^      (?(?=[a])[^"])
+  +5 ^ ^      (?=[a])
+  +8 ^ ^      [a]
+ +21 ^ ^      "
+ +18 ^ ^      b
+ +19 ^  ^     )
+  +3 ^  ^     (?(?=[a])[^"])
+  +5 ^  ^     (?=[a])
+  +8 ^  ^     [a]
+ +21 ^  ^     "
+ +22 ^   ^    $
+ +23 ^   ^
+: "ab"
+:
+ /^"((?(?=[a])[^"])|b)*"$/
+     "ab"
+: "ab"
+:
+ /^X(?5)(a)(?|(b)|(q))(c)(d)Y/
+ Failed: reference to non-existent subpattern at offset 5
+ /^X(?&N)(a)(?|(b)|(q))(c)(d)(?<N>Y)/
+     XYabcdY
+: XYabcdY
+: a
+: b
+: c
+: d
+: Y
+ /Xa{2,4}b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /Xa{2,4}?b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /Xa{2,4}+b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X\d{2,4}b/
+     X\P
+ Partial match: X
+     X3\P
+ Partial match: X3
+     X33\P
+ Partial match: X33
+     X333\P
+ Partial match: X333
+     X3333\P
+ Partial match: X3333
+ /X\d{2,4}?b/
+     X\P
+ Partial match: X
+     X3\P
+ Partial match: X3
+     X33\P
+ Partial match: X33
+     X333\P
+ Partial match: X333
+     X3333\P
+ Partial match: X3333
+ /X\d{2,4}+b/
+     X\P
+ Partial match: X
+     X3\P
+ Partial match: X3
+     X33\P
+ Partial match: X33
+     X333\P
+ Partial match: X333
+     X3333\P
+ Partial match: X3333
+ /X\D{2,4}b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X\D{2,4}?b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X\D{2,4}+b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[abc]{2,4}b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[abc]{2,4}?b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[abc]{2,4}+b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[^a]{2,4}b/
+     X\P
+ Partial match: X
+     Xz\P
+ Partial match: Xz
+     Xzz\P
+ Partial match: Xzz
+     Xzzz\P
+ Partial match: Xzzz
+     Xzzzz\P
+ Partial match: Xzzzz
+ /X[^a]{2,4}?b/
+     X\P
+ Partial match: X
+     Xz\P
+ Partial match: Xz
+     Xzz\P
+ Partial match: Xzz
+     Xzzz\P
+ Partial match: Xzzz
+     Xzzzz\P
+ Partial match: Xzzzz
+ /X[^a]{2,4}+b/
+     X\P
+ Partial match: X
+     Xz\P
+ Partial match: Xz
+     Xzz\P
+ Partial match: Xzz
+     Xzzz\P
+ Partial match: Xzzz
+     Xzzzz\P
+ Partial match: Xzzzz
+ /(Y)X\1{2,4}b/
+     YX\P
+ Partial match: YX
+     YXY\P
+ Partial match: YXY
+     YXYY\P
+ Partial match: YXYY
+     YXYYY\P
+ Partial match: YXYYY
+     YXYYYY\P
+ Partial match: YXYYYY
+ /(Y)X\1{2,4}?b/
+     YX\P
+ Partial match: YX
+     YXY\P
+ Partial match: YXY
+     YXYY\P
+ Partial match: YXYY
+     YXYYY\P
+ Partial match: YXYYY
+     YXYYYY\P
+ Partial match: YXYYYY
+ /(Y)X\1{2,4}+b/
+     YX\P
+ Partial match: YX
+     YXY\P
+ Partial match: YXY
+     YXYY\P
+ Partial match: YXYY
+     YXYYY\P
+ Partial match: YXYYY
+     YXYYYY\P
+ Partial match: YXYYYY
+ /\++\KZ|\d+X|9+Y/
+     ++++123999\P
+ Partial match: 123999
+     ++++123999Y\P
+: 999Y
+     ++++Z1234\P
+: Z
+ /Z(*F)/
+     Z\P
+ No match
+     ZA\P
+ No match
+ /Z(?!)/
+     Z\P
+ No match
+     ZA\P
+ No match
+ /dog(sbody)?/
+     dogs\P
+: dog
+     dogs\P\P
+ Partial match: dogs
+ /dog(sbody)??/
+     dogs\P
+: dog
+     dogs\P\P
+: dog
+ /dog|dogsbody/
+     dogs\P
+: dog
+     dogs\P\P
+: dog
+ /dogsbody|dog/
+     dogs\P
+: dog
+     dogs\P\P
+ Partial match: dogs
+ /\bthe cat\b/
+     the cat\P
+: the cat
+     the cat\P\P
+ Partial match: the cat
+ /abc/
+    abc\P
+: abc
+    abc\P\P
+: abc
+ /\w+A/P
+    CDAAAAB
+: CDAAAA
+ /\w+A/PU
+    CDAAAAB
+: CDA
+ /abc\K123/
+     xyzabc123pqr
+: 123
+     xyzabc12\P
+ Partial match: abc12
+     xyzabc12\P\P
+ Partial match: abc12
+ /(?<=abc)123/
+     xyzabc123pqr
+: 123
+     xyzabc12\P
+ Partial match: abc12
+     xyzabc12\P\P
+ Partial match: abc12
+ /\babc\b/
+     +++abc+++
+: abc
+     +++ab\P
+ Partial match: +ab
+     +++ab\P\P
+ Partial match: +ab
+ /(?&word)(?&element)(?(DEFINE)(?<element><[^m][^>]>[^<])(?<word>\w*+))/BZ
+ ------------------------------------------------------------------
+         Bra
+         Recurse
+         Recurse
+         Cond
+         Cond def
+         CBra 1
+         <
+         [^m]
+         [^>]
+         >
+         [^<]
+         Ket
+         CBra 2
+         \w*+
+         Ket
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(?&word)(?&element)(?(DEFINE)(?<element><[^\d][^>]>[^<])(?<word>\w*+))/BZ
+ ------------------------------------------------------------------
+         Bra
+         Recurse
+         Recurse
+         Cond
+         Cond def
+         CBra 1
+         <
+         [\x00-/:-\xff] (neg)
+         [^>]
+         >
+         [^<]
+         Ket
+         CBra 2
+         \w*+
+         Ket
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(ab)(x(y)z(cd(*ACCEPT)))pq/BZ
+ ------------------------------------------------------------------
+         Bra
+         CBra 1
+         ab
+         Ket
+         CBra 2
+         x
+         CBra 3
+         y
+         Ket
+         z
+         CBra 4
+         cd
+         Close 4
+         Close 2
+         *ACCEPT
+         Ket
+         Ket
+         pq
+         Ket
+         End
+ ------------------------------------------------------------------
+ /abc\K/+
+     abcdef
+:
++ def
+     abcdef\N\N
+:
++ def
+     xyzabcdef\N\N
+:
++ def
+     ** Failers
+ No match
+     abcdef\N
+ No match
+     xyzabcdef\N
+ No match
+ /^(?:(?=abc)|abc\K)/+
+     abcdef
+:
++ abcdef
+     abcdef\N\N
+:
++ def
+     ** Failers
+ No match
+     abcdef\N
+ No match
+ /a?b?/+
+     xyz
+:
++ xyz
+     xyzabc
+:
++ xyzabc
+     xyzabc\N
+: ab
++ c
+     xyzabc\N\N
+:
++ yzabc
+     xyz\N\N
+:
++ yz
+     ** Failers
+:
++ ** Failers
+     xyz\N
+ No match
+ /^a?b?/+
+     xyz
+:
++ xyz
+     xyzabc
+:
++ xyzabc
+     ** Failers
+:
++ ** Failers
+     xyzabc\N
+ No match
+     xyzabc\N\N
+ No match
+     xyz\N\N
+ No match
+     xyz\N
+ No match
+ /^(?<name>a|b\g<name>c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(?<name>a|b\g'name'c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(a|b\g<1>c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(a|b\g'1'c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(a|b\g'-1'c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /(^(a|b\g<-1>c))/
+     aaaa
+: a
+: a
+: a
+     bacxxx
+: bac
+: bac