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

Diff of /code/trunk/testdata/testoutput2

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-revision 226 by ph10,
Tue Aug 21 11:46:08 2007 UTC
+revision 513 by ph10,
Mon May  3 11:13:37 2010 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 and 5.11 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 109 
 Failed: missing ) at offset 4
+Line 146 
 Failed: missing ) at offset 4
  Failed: missing ) after comment at offset 7
  /(?z)abc/
- Failed: unrecognized character after (? at offset 2
+ Failed: unrecognized character after (? or (?- at offset 2
  /.*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
  Capturing subpattern count = 1
- Contains explicit CR or LF match
  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 190 
 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 311 
 No match
+Line 350 
 No match
  No match
  /ab(?z)cd/
- Failed: unrecognized character after (? at offset 4
+ Failed: unrecognized character after (? or (?- at offset 4
  /^abc|def/I
  Capturing subpattern count = 0
-Line 325 
 No need char
+Line 364 
 No need char
  /.*((abc)$|(def))/I
  Capturing subpattern count = 3
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 339 
 No need char
+Line 377 
 No need char
 : <unset>
 : def
- /abc/IP
+ /abc/P
      abc
 : abc
      *** Failers
  No match: POSIX code 17: match failed
- /^abc|def/IP
+ /^abc|def/P
      abcdef
 : abc
      abcdef\B
 : def
- /.*((abc)$|(def))/IP
+ /.*((abc)$|(def))/P
      defabc
 : defabc
 : abc
-Line 361 
 No match: POSIX code 17: match failed
+Line 399 
 No match: POSIX code 17: match failed
 : def
 : def
- /the quick brown fox/IP
+ /the quick brown fox/P
      the quick brown fox
 : the quick brown fox
      *** Failers
-Line 369 
 No match: POSIX code 17: match failed
+Line 407 
 No match: POSIX code 17: match failed
      The Quick Brown Fox
  No match: POSIX code 17: match failed
- /the quick brown fox/IPi
+ /the quick brown fox/Pi
      the quick brown fox
 : the quick brown fox
      The Quick Brown Fox
 : The Quick Brown Fox
- /abc.def/IP
+ /abc.def/P
      *** Failers
  No match: POSIX code 17: match failed
      abc\ndef
  No match: POSIX code 17: match failed
- /abc$/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 402 
 Failed: missing terminating ] for charac
+Line 440 
 Failed: missing terminating ] for charac
  /[^aeiou ]{3,}/I
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 412 
 No need char
+Line 448 
 No need char
  /<.*>/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 421 
 Need char = '>'
+Line 456 
 Need char = '>'
  /<.*?>/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 430 
 Need char = '>'
+Line 464 
 Need char = '>'
  /<.*>/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 439 
 Need char = '>'
+Line 472 
 Need char = '>'
  /(?U)<.*>/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 448 
 Need char = '>'
+Line 480 
 Need char = '>'
  /<.*?>/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 457 
 Need char = '>'
+Line 488 
 Need char = '>'
  /={3,}/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 466 
 Need char = '='
+Line 496 
 Need char = '='
  /(?U)={3,}?/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 524 
 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 534 
 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 541 
 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 548 
 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 586 
 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 594 
 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 614 
 Capturing subpattern count = 1
+Line 643 
 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 670 
 Need char = 'c'
+Line 700 
 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 687 
 Capturing subpattern count = 0
+Line 716 
 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 694 
 Capturing subpattern count = 1
+Line 724 
 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 701 
 Capturing subpattern count = 0
+Line 732 
 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 786 
 No need char
+Line 818 
 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 856 
 No match
+Line 887 
 No match
      a
  No match
- /This one is here because I think Perl 5.005_02 gets the setting of $1 wrong/I
+ /This one is here because Perl behaves differently; see also the following/I
  Capturing subpattern count = 0
  No options
  First char = 'T'
-Line 868 
 Max back reference = 1
+Line 899 
 Max back reference = 1
  Options: anchored
  No first char
  No need char
+     aaaa
+ No match
      aaaaaa
-: aaaaaa
+ No match
-: aa
+ /Perl does not fail these two for the final subjects. Neither did PCRE until/
+ /release 8.01. The problem is in backtracking into a subpattern that contains/
+ No match
+ /a recursive reference to itself. PCRE has now made these into atomic patterns./
+ No match
+ /^(xa|=?\1a){2}$/
+     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 948 
 Failed: missing ) at offset 4
+Line 1004 
 Failed: missing ) at offset 4
  Failed: unrecognized character after (?< at offset 3
  /a(?{)b/
- Failed: unrecognized character after (? at offset 3
+ Failed: unrecognized character after (? or (?- at offset 3
  /a(?{{})b/
- Failed: unrecognized character after (? at offset 3
+ Failed: unrecognized character after (? or (?- at offset 3
  /a(?{}})b/
- Failed: unrecognized character after (? at offset 3
+ Failed: unrecognized character after (? or (?- at offset 3
  /a(?{"{"})b/
- Failed: unrecognized character after (? at offset 3
+ Failed: unrecognized character after (? or (?- at offset 3
  /a(?{"{"}})b/
- Failed: unrecognized character after (? at offset 3
+ Failed: unrecognized character after (? or (?- at offset 3
  /(?(1?)a|b)/
  Failed: malformed number or name after (?( at offset 4
- /(?(1)a|b|c)/
- Failed: conditional group contains more than two branches at offset 10
  /[a[:xyz:/
  Failed: missing terminating ] for character class at offset 8
-Line 1008 
 copy substring 5 failed -7
+Line 1061 
 copy substring 5 failed -7
  /(.{20})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1026 
 No need char
+Line 1078 
 No need char
  /(.{15})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1041 
 No need char
+Line 1092 
 No need char
  /(.{16})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1108 
 No need char
+Line 1158 
 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 1123 
 Need char = 'd'
+Line 1172 
 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 1131 
 Need char = 'X'
+Line 1179 
 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 1156 
 Need char = 'X'
+Line 1203 
 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 1165 
 No need char
+Line 1211 
 No need char
  ------------------------------------------------------------------
          Bra
          CBra 1
-         Any*
+         AllAny*
          X
          Alt
          ^
-Line 1175 
 No need char
+Line 1221 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 1184 
 No need char
+Line 1229 
 No need char
  ------------------------------------------------------------------
          Bra
          CBra 1
-         Any*
+         AllAny*
          X
          Alt
          ^
-Line 1194 
 No need char
+Line 1239 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 1204 
 No need char
+Line 1248 
 No need char
          Bra
          Bra
 Opt
-         Any*
+         AllAny*
          X
          Alt
 Opt
-Line 1216 
 No need char
+Line 1260 
 No need char
          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 1301 
 No need char
+Line 1344 
 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 1404 
 Need char = 'c'
+Line 1446 
 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
- Contains explicit CR or LF match
  No options
  First char = '"'
  Need char = '"'
-Line 1495 
 Need char = 'b'
+Line 1530 
 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 1571 
 No need char
+Line 1596 
 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 1597 
 Need char = 'd'
+Line 1620 
 Need char = 'd'
  /ab\d+/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
- /a(?(1)b)/I
+ /a(?(1)b)(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  No need char
- /a(?(1)bag|big)/I
+ /a(?(1)bag|big)(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  Need char = 'g'
- /a(?(1)bag|big)*/I
+ /a(?(1)bag|big)*(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  No need char
- /a(?(1)bag|big)+/I
+ /a(?(1)bag|big)+(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  Need char = 'g'
- /a(?(1)b..|b..)/I
+ /a(?(1)b..|b..)(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  Need char = 'b'
-Line 1672 
 No need char
+Line 1694 
 No need char
      \Nabc
  No match
- /a*(b+)(z)(z)/IP
+ /a*(b+)(z)(z)/P
      aaaabbbbzzzz
 : aaaabbbbzz
 : bbbb
-Line 1704 
 Capturing subpattern count = 0
+Line 1726 
 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
  /\(             # ( at start
    (?:           # Non-capturing bracket
-Line 1715 
 Study returned NULL
+Line 1738 
 Study returned NULL
    \)            # Closing )
    /Ix
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1745 
 No match
+Line 1766 
 No match
  /\(  ( (?>[^()]+) | (?R) )* \) /Ixg
  Capturing subpattern count = 1
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1761 
 Need char = ')'
+Line 1780 
 Need char = ')'
  /\(  (?: (?>[^()]+) | (?R) ) \) /Ix
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1781 
 No match
+Line 1798 
 No match
  /\(  (?: (?>[^()]+) | (?R) )? \) /Ix
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1793 
 Need char = ')'
+Line 1808 
 Need char = ')'
  /\(  ( (?>[^()]+) | (?R) )* \) /Ix
  Capturing subpattern count = 1
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1804 
 Need char = ')'
+Line 1817 
 Need char = ')'
  /\( ( ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 2
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1816 
 Need char = ')'
+Line 1827 
 Need char = ')'
  /\( (123)? ( ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1834 
 Need char = ')'
+Line 1843 
 Need char = ')'
  /\( ( (123)? ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1852 
 Need char = ')'
+Line 1859 
 Need char = ')'
  /\( (((((((((( ( (?>[^()]+) | (?R) )* )))))))))) \) /Ix
  Capturing subpattern count = 11
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1873 
 Need char = ')'
+Line 1878 
 Need char = ')'
  /\( ( ( (?>[^()<>]+) | ((?>[^()]+)) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
-Line 1882 
 Need char = ')'
+Line 1885 
 Need char = ')'
 : (abcd(xyz<p>qrs)123)
 : abcd(xyz<p>qrs)123
 : 123
-: <unset>
  /\( ( ( (?>[^()]+) | ((?R)) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '('
  Need char = ')'
 Line 1919 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [\x00-/:-@[-`{-\xff]
+         [\x00-/:-@[-`{-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 1946 
 No need char
+Line 1945 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [\x00-@[-`{-\xff]
+         [\x00-@[-`{-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 1961 
 Capturing subpattern count = 0
+Line 1959 
 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 1973 
 Starting byte set: A B C D E F G H I J K
+Line 1972 
 Starting byte set: A B C D E F G H I J K
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 1982 
 No need char
+Line 1980 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [\x80-\xff]
+         [\x80-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
-Line 2008 
 No need char
+Line 2006 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [\x00-\x08\x0a-\x1f!-\xff]
+         [\x00-\x08\x0a-\x1f!-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 2024 
 Contains explicit CR or LF match
+Line 2021 
 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 2035 
 Starting byte set: \x09 \x0a \x0b \x0c \
+Line 2033 
 Starting byte set: \x09 \x0a \x0b \x0c \
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 2114 
 No need char
+Line 2111 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 2162 
 No need char
+Line 2158 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [ -~\x80-\xff]
+         [ -~\x80-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
-Line 2175 
 No need char
+Line 2171 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [\x00-/12:-\xff]
+         [\x00-/12:-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 2189 
 No need char
+Line 2184 
 No need char
  ------------------------------------------------------------------
          Bra
          ^
-         [\x00-\x08\x0a-\x1f!-\xff]
+         [\x00-\x08\x0a-\x1f!-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 2274 
 Need char = 'd'
+Line 2268 
 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|$))(\w+)\s+(\270)/I
  Capturing subpattern count = 271
  Max back reference = 270
- Partial matching not supported
  No options
  No first char
  No need char
-Line 2758 
 No need char
+Line 2751 
 No need char
  /[\S]/DZ
  ------------------------------------------------------------------
          Bra
-         [\x00-\x08\x0b\x0e-\x1f!-\xff]
+         [\x00-\x08\x0b\x0e-\x1f!-\xff] (neg)
          Ket
          End
  ------------------------------------------------------------------
-Line 2955 
 Need char = 'c'
+Line 2948 
 Need char = 'c'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 2984 
 No need char
+Line 2976 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  No need char
-Line 3000 
 No need char
+Line 2991 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  No need char
-Line 3024 
 No need char
+Line 3014 
 No need char
  /^(\w++|\s++)*$/I
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 3038 
 No match
+Line 3027 
 No match
  /(\d++)(\w)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3053 
 No match
+Line 3041 
 No match
  /a++b/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3062 
 Need char = 'b'
+Line 3049 
 Need char = 'b'
  /(a++b)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3072 
 Need char = 'b'
+Line 3058 
 Need char = 'b'
  /(a++)b/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3082 
 Need char = 'b'
+Line 3067 
 Need char = 'b'
  /([^()]++|\([^()]*\))+/I
  Capturing subpattern count = 1
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 3093 
 No need char
+Line 3076 
 No need char
  /\(([^()]++|\([^()]+\))+\)/I
  Capturing subpattern count = 1
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  First char = '('
  Need char = ')'
-Line 3157 
 Failed: nothing to repeat at offset 7
+Line 3138 
 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 3174 
 Need char = 'b'
+Line 3154 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = 'x'
  Need char = 'b'
-Line 3203 
 Need char = 'b'
+Line 3182 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 5
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 3219 
 No need char
+Line 3197 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 3237 
 Need char = 'b'
+Line 3214 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 3295 
 No need char
+Line 3271 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 3308 
 No need char
+Line 3283 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  No options
  No first char
  No need char
  /< (?: (?(R) \d++  | [^<>]*+) | (?R)) * >/Ix
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '<'
  Need char = '>'
-Line 3366 
 Need char = 'X'
+Line 3338 
 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 3381 
 No need char
+Line 3351 
 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 3396 
 No need char
+Line 3364 
 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 3404 
 Need char = 'z'
+Line 3371 
 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 3421 
 Need char = 'b'
+Line 3387 
 Need char = 'b'
  /(?=a).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 3468 
 No options
+Line 3433 
 No options
  No first char
  Need char = 'a'
- /(?(1)ab|ac)/I
+ /(?(1)ab|ac)(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  No need char
- /(?(1)abz|acz)/I
+ /(?(1)abz|acz)(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  First char = 'a'
  Need char = 'z'
- /(?(1)abz)/I
+ /(?(1)abz)(.)/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  No first char
  No need char
- /(?(1)abz)123/I
+ /(?(1)abz)(1)23/I
- Capturing subpattern count = 0
+ Capturing subpattern count = 1
  No options
  No first char
  Need char = '3'
-Line 3527 
 Capturing subpattern count = 0
+Line 3492 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /[^a]/I
  Capturing subpattern count = 0
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 3547 
 Capturing subpattern count = 0
+Line 3512 
 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 3580 
 Capturing subpattern count = 0
+Line 3546 
 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 3587 
 Capturing subpattern count = 0
+Line 3554 
 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 3744 
 No need char
+Line 3712 
 No need char
  /(\d{3}(?C))*/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3873 
 Callout 0: last capture = 1
+Line 3840 
 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 3899 
 No match
+Line 3865 
 No match
  /a(b+?)(c*?)(?C1)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3940 
 Capturing subpattern count = 0
+Line 3905 
 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 3991 
 Failed: recursive call could loop indefi
+Line 3957 
 Failed: recursive call could loop indefi
  /^([^()]|\((?1)*\))*$/I
  Capturing subpattern count = 1
- Contains explicit CR or LF match
  Options: anchored
  No first char
  No need char
-Line 4011 
 No match
+Line 3976 
 No match
  /^>abc>([^()]|\((?1)*\))*<xyz<$/I
  Capturing subpattern count = 1
- Contains explicit CR or LF match
  Options: anchored
  No first char
  Need char = '<'
-Line 4061 
 No options
+Line 4025 
 No options
  First char = 'a'
  Need char = 'b'
- /^\W*(?:((.)\W*(?1)\W*\2|)|((.)\W*(?3)\W*\4|\W*.\W*))\W*$/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 4138 
 No match
+Line 4067 
 No match
  /((< (?: (?(R) \d++  | [^<>]*+) | (?2)) * >))/Ix
  Capturing subpattern count = 2
- Partial matching not supported
- Contains explicit CR or LF match
  Options: extended
  First char = '<'
  Need char = '>'
-Line 4313 
 Named capturing subpatterns:
+Line 4240 
 Named capturing subpatterns:
    one     1
    three   3
    two     2
- Partial matching not supported
  Options: anchored caseless
  No first char
  No need char
-Line 4359 
 No need char
+Line 4285 
 No need char
  /(.*)a/Is
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'a'
-Line 4367 
 Need char = 'a'
+Line 4292 
 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 4375 
 Need char = 'a'
+Line 4299 
 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 4390 
 Need char = 'z'
+Line 4312 
 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 4398 
 Need char = 'z'
+Line 4319 
 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 4406 
 Need char = 'z'
+Line 4326 
 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 4414 
 Need char = 'z'
+Line 4333 
 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 4429 
 No need char
+Line 4346 
 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 4437 
 No need char
+Line 4353 
 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 4504 
 Need char = 'c'
+Line 4419 
 Need char = 'c'
  /(a+)*zz/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  Need char = 'z'
-Line 4641 
 Failed: two named subpatterns have the s
+Line 4555 
 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 4659 
 No match
+Line 4572 
 No match
  Capturing subpattern count = 3
  Named capturing subpatterns:
    elem   2
- Partial matching not supported
  No options
  First char = '['
  Need char = ']'
-Line 4766 
 No need char
+Line 4678 
 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 4776 
 Need char = 'g' (caseless)
+Line 4687 
 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 4795 
 Study returned NULL
+Line 4706 
 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 4819 
 Capturing subpattern count = 1
+Line 4730 
 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 4888 
 No match
+Line 4800 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  No first char
  Need char = 'b'
-Line 4933 
 Need char = 'b'
+Line 4844 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  First char = 'a'
  Need char = 'b'
-Line 5371 
 No match
+Line 5281 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options:
  No first char
  Need char = '3'
-Line 5403 
 Need char = '3'
+Line 5312 
 Need char = '3'
  /\b.*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5412 
 No need char
+Line 5320 
 No need char
  /\b.*/Is
  Capturing subpattern count = 0
- Partial matching not supported
  Options: dotall
  No first char
  No need char
-Line 5421 
 No need char
+Line 5328 
 No need char
  /(?!.bcd).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5434 
 No options
+Line 5340 
 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 5467 
 Need char = '/'
+Line 5373 
 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 5505 
 No match
+Line 5411 
 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 5539 
 Need char = '3'
+Line 5441 
 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 5555 
 Options: anchored
+Line 5457 
 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 5612 
 Capturing subpattern count = 1
+Line 5514 
 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
  Study data written to testsavedregex
-Line 5632 
 Capturing subpattern count = 1
+Line 5535 
 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
  Study data written to testsavedregex
-Line 5650 
 No match
+Line 5554 
 No match
  ~<(\w+)/?>(.)*</(\1)>~smgI
  Capturing subpattern count = 3
  Max back reference = 1
- Partial matching not supported
  Options: multiline dotall
  First char = '<'
  Need char = '>'
-Line 5703 
 No match
+Line 5606 
 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 5713 
 No match: POSIX code 17: match failed
+Line 5616 
 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 5957 
 Matched, but too many substrings
+Line 5860 
 Matched, but too many substrings
  /[^()]*(?:\((?R)\)[^()]*)*/I
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 5971 
 No need char
+Line 5872 
 No need char
  /[^()]*(?:\((?>(?R))\)[^()]*)*/I
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 5983 
 No need char
+Line 5882 
 No need char
  /[^()]*(?:\((?R)\))*[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 5995 
 No need char
+Line 5892 
 No need char
  /(?:\((?R)\))*[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 6009 
 No need char
+Line 5904 
 No need char
  /(?:\((?R)\))|[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
- Contains explicit CR or LF match
  No options
  No first char
  No need char
-Line 6023 
 No need char
+Line 5916 
 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 6205 
 Named capturing subpatterns:
+Line 6098 
 Named capturing subpatterns:
    A   2
    A   3
  Options: anchored dupnames
+ Duplicate name status changes
  No first char
  No need char
      a1b\CA
-Line 6351 
 Failed: octal value is greater than \377
+Line 6245 
 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 6481 
 Unknown newline type at:
+Line 6375 
 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 6507 
 No need char
+Line 6400 
 No need char
  /\w+(.)(.)?def/Is
  Capturing subpattern count = 2
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'f'
-Line 6524 
 Need char = 'f'
+Line 6416 
 Need char = 'f'
  +((?:\s|//.*\\n|/[*](?:\\n|.)*?[*]/)*)+I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 6659 
 No need char
+Line 6550 
 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 6670 
 Capturing subpattern count = 1
+Line 6561 
 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 6677 
 Capturing subpattern count = 1
+Line 6569 
 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 6684 
 Capturing subpattern count = 1
+Line 6577 
 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 6691 
 Capturing subpattern count = 1
+Line 6585 
 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 6698 
 Capturing subpattern count = 1
+Line 6593 
 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 6705 
 Capturing subpattern count = 1
+Line 6601 
 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 6718 
 Starting byte set: a b c d
+Line 6615 
 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 6734 
 Need char = 'b'
+Line 6630 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6750 
 Need char = 'b'
+Line 6645 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6766 
 Need char = 'b'
+Line 6660 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'A'
-Line 6788 
 No match
+Line 6681 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored caseless
  No first char
  Need char = 'A' (caseless)
-Line 6799 
 Need char = 'A' (caseless)
+Line 6691 
 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 7632 
 No match
+Line 7524 
 No match
          ^
          CBra 1
          Cond
-Cond ref
+Cond nref
          y
          Ket
          [()]
-Line 7698 
 Named capturing subpatterns:
+Line 7590 
 Named capturing subpatterns:
    one     1
    three   3
    two     2
- Partial matching not supported
  Options: anchored caseless
  No first char
  No need char
-Line 7732 
 No match
+Line 7623 
 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 7745 
 Capturing subpattern count = 1
+Line 7635 
 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 7753 
 Need char = ':'
+Line 7642 
 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 7793 
 No match
+Line 7668 
 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 7830 
 Failed: reference to non-existent subpat
+Line 7698 
 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 7889 
 No match
+Line 7739 
 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 7899 
 No match
+Line 7749 
 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 7913 
 No match
+Line 7763 
 No match
  /a/<any><crlf>
  Failed: inconsistent NEWLINE options at offset 0
- /^a\Rb/
+ /^a\Rb/<bsr_unicode>
      a\nb
 : a\x0ab
      a\rb
-Line 7931 
 No match
+Line 7781 
 No match
      a\n\rb
  No match
- /^a\R*b/
+ /^a\R*b/<bsr_unicode>
      ab
 : ab
      a\nb
-Line 7951 
 No match
+Line 7801 
 No match
      a\n\r\x85\x0cb
 : a\x0a\x0d\x85\x0cb
- /^a\R+b/
+ /^a\R+b/<bsr_unicode>
      a\nb
 : a\x0ab
      a\rb
-Line 7973 
 No match
+Line 7823 
 No match
      ab
  No match
- /^a\R{1,3}b/
+ /^a\R{1,3}b/<bsr_unicode>
      a\nb
 : a\x0ab
      a\n\rb
-Line 7995 
 No match
+Line 7845 
 No match
      a\r
  No match
- /^a[\R]b/
+ /^a[\R]b/<bsr_unicode>
      aRb
 : aRb
      ** Failers
-Line 8025 
 Need char = 'P'
+Line 7875 
 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 8102 
 No match
+Line 7912 
 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 8201 
 No match
+Line 8005 
 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 8255 
 No match
+Line 8059 
 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 8343 
 Failed: reference to non-existent subpat
+Line 8147 
 Failed: reference to non-existent subpat
  /((?(-2)a))/BZ
  Failed: reference to non-existent subpattern at offset 7
- /^(?(+1)X|Y)/BZ
+ /^(?(+1)X|Y)(.)/BZ
  ------------------------------------------------------------------
          Bra
          ^
-Line 8353 
 Failed: reference to non-existent subpat
+Line 8157 
 Failed: reference to non-existent subpat
          Alt
          Y
          Ket
+         CBra 1
+         Any
+         Ket
          Ket
          End
  ------------------------------------------------------------------
-     Y
+     Y!
-: Y
+: 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
-Line 8391 
 No match
+Line 8179 
 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 8493 
 Failed: syntax error in subpattern name
+Line 8273 
 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 8865 
 Failed: missing terminating ] for charac
+Line 8569 
 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 9074 
 No match
+Line 8697 
 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 9109 
 No match
+Line 8729 
 No match
 : \x0aA
 : \x0a
- / End of testinput2 /
+ /a(*CR)b/
+ Failed: (*VERB) not recognized at offset 5
+ /(*CR)a.b/
+     a\nb
+: a\x0ab
+     ** Failers
+ No match
+     a\rb
+ No match
+ /(*CR)a.b/<lf>
+     a\nb
+: a\x0ab
+     ** Failers
+ No match
+     a\rb
+ No match
+ /(*LF)a.b/<CRLF>
+     a\rb
+: a\x0db
+     ** Failers
+ No match
+     a\nb
+ No match
+ /(*CRLF)a.b/
+     a\rb
+: a\x0db
+     a\nb
+: a\x0ab
+     ** Failers
+ No match
+     a\r\nb
+ No match
+ /(*ANYCRLF)a.b/<CR>
+     ** Failers
+ No match
+     a\rb
+ No match
+     a\nb
+ No match
+     a\r\nb
+ No match
+ /(*ANY)a.b/<cr>
+     ** Failers
+ No match
+     a\rb
+ No match
+     a\nb
+ No match
+     a\r\nb
+ No match
+     a\x85b
+ No match
+ /a\Rb/I<bsr_anycrlf>
+ Capturing subpattern count = 0
+ Options: bsr_anycrlf
+ First char = 'a'
+ Need char = 'b'
+     a\rb
+: a\x0db
+     a\nb
+: a\x0ab
+     a\r\nb
+: a\x0d\x0ab
+     ** Failers
+ No match
+     a\x85b
+ No match
+     a\x0bb
+ No match
+ /a\Rb/I<bsr_unicode>
+ Capturing subpattern count = 0
+ Options: bsr_unicode
+ First char = 'a'
+ Need char = 'b'
+     a\rb
+: a\x0db
+     a\nb
+: a\x0ab
+     a\r\nb
+: a\x0d\x0ab
+     a\x85b
+: a\x85b
+     a\x0bb
+: a\x0bb
+     ** Failers
+ No match
+     a\x85b\<bsr_anycrlf>
+ No match
+     a\x0bb\<bsr_anycrlf>
+ No match
+ /a\R?b/I<bsr_anycrlf>
+ Capturing subpattern count = 0
+ Options: bsr_anycrlf
+ First char = 'a'
+ Need char = 'b'
+     a\rb
+: a\x0db
+     a\nb
+: a\x0ab
+     a\r\nb
+: a\x0d\x0ab
+     ** Failers
+ No match
+     a\x85b
+ No match
+     a\x0bb
+ No match
+ /a\R?b/I<bsr_unicode>
+ Capturing subpattern count = 0
+ Options: bsr_unicode
+ First char = 'a'
+ Need char = 'b'
+     a\rb
+: a\x0db
+     a\nb
+: a\x0ab
+     a\r\nb
+: a\x0d\x0ab
+     a\x85b
+: a\x85b
+     a\x0bb
+: a\x0bb
+     ** Failers
+ No match
+     a\x85b\<bsr_anycrlf>
+ No match
+     a\x0bb\<bsr_anycrlf>
+ No match
+ /a\R{2,4}b/I<bsr_anycrlf>
+ Capturing subpattern count = 0
+ Options: bsr_anycrlf
+ First char = 'a'
+ Need char = 'b'
+     a\r\n\nb
+: a\x0d\x0a\x0ab
+     a\n\r\rb
+: a\x0a\x0d\x0db
+     a\r\n\r\n\r\n\r\nb
+: a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0ab
+     ** Failers
+ No match
+     a\x85\85b
+ No match
+     a\x0b\0bb
+ No match
+ /a\R{2,4}b/I<bsr_unicode>
+ Capturing subpattern count = 0
+ Options: bsr_unicode
+ First char = 'a'
+ Need char = 'b'
+     a\r\rb
+: a\x0d\x0db
+     a\n\n\nb
+: a\x0a\x0a\x0ab
+     a\r\n\n\r\rb
+: a\x0d\x0a\x0a\x0d\x0db
+     a\x85\85b
+ No match
+     a\x0b\0bb
+ No match
+     ** Failers
+ No match
+     a\r\r\r\r\rb
+ No match
+     a\x85\85b\<bsr_anycrlf>
+ No match
+     a\x0b\0bb\<bsr_anycrlf>
+ No match
+ /(*BSR_ANYCRLF)a\Rb/I
+ Capturing subpattern count = 0
+ Options: bsr_anycrlf
+ First char = 'a'
+ Need char = 'b'
+     a\nb
+: a\x0ab
+     a\rb
+: a\x0db
+ /(*BSR_UNICODE)a\Rb/I
+ Capturing subpattern count = 0
+ Options: bsr_unicode
+ First char = 'a'
+ Need char = 'b'
+     a\x85b
+: a\x85b
+ /(*BSR_ANYCRLF)(*CRLF)a\Rb/I
+ Capturing subpattern count = 0
+ Options: bsr_anycrlf
+ Forced newline sequence: CRLF
+ First char = 'a'
+ Need char = 'b'
+     a\nb
+: a\x0ab
+     a\rb
+: a\x0db
+ /(*CRLF)(*BSR_UNICODE)a\Rb/I
+ Capturing subpattern count = 0
+ Options: bsr_unicode
+ Forced newline sequence: CRLF
+ First char = 'a'
+ Need char = 'b'
+     a\x85b
+: a\x85b
+ /(*CRLF)(*BSR_ANYCRLF)(*CR)ab/I
+ Capturing subpattern count = 0
+ Options: bsr_anycrlf
+ Forced newline sequence: CR
+ First char = 'a'
+ Need char = 'b'
+ /(?<a>)(?&)/
+ Failed: subpattern name expected at offset 9
+ /(?<abc>)(?&a)/
+ Failed: reference to non-existent subpattern at offset 12
+ /(?<a>)(?&aaaaaaaaaaaaaaaaaaaaaaa)/
+ Failed: reference to non-existent subpattern at offset 32
+ /(?+-a)/
+ Failed: digit expected after (?+ at offset 3
+ /(?-+a)/
+ Failed: unrecognized character after (? or (?- at offset 3
+ /(?(-1))/
+ Failed: reference to non-existent subpattern at offset 6
+ /(?(+10))/
+ Failed: reference to non-existent subpattern at offset 7
+ /(?(10))/
+ Failed: reference to non-existent subpattern at offset 6
+ /(?(+2))()()/
+ /(?(2))()()/
+ /\k''/
+ Failed: subpattern name expected at offset 3
+ /\k<>/
+ Failed: subpattern name expected at offset 3
+ /\k{}/
+ Failed: subpattern name expected at offset 3
+ /(?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
+ /^"((?(?=[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
+         Once
+         Recurse
+         Ket
+         Once
+         Recurse
+         Ket
+         Cond
+         Cond def
+         CBra 1
+         <
+         [^m]
+         [^>]
+         >
+         [^<]
+         Ket
+         CBra 2
+         \w*+
+         Ket
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(?&word)(?&element)(?(DEFINE)(?<element><[^\d][^>]>[^<])(?<word>\w*+))/BZ
+ ------------------------------------------------------------------
+         Bra
+         Once
+         Recurse
+         Ket
+         Once
+         Recurse
+         Ket
+         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
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+: bbbaccc
+ /(?-i:\g<name>)(?i:(?<name>a))/
+     XaaX
+: aa
+: a
+     XAAX
+: AA
+: A
+ /(?i:\g<name>)(?-i:(?<name>a))/
+     XaaX
+: aa
+: a
+     ** Failers
+ No match
+     XAAX
+ No match
+ /(?-i:\g<+1>)(?i:(a))/
+     XaaX
+: aa
+: a
+     XAAX
+: AA
+: A
+ /(?=(?<regex>(?#simplesyntax)\$(?<name>[a-zA-Z_\x{7f}-\x{ff}][a-zA-Z0-9_\x{7f}-\x{ff}]*)(?:\[(?<index>[a-zA-Z0-9_\x{7f}-\x{ff}]+|\$\g<name>)\]|->\g<name>(\(.*?\))?)?|(?#simple syntax withbraces)\$\{(?:\g<name>(?<indices>\[(?:\g<index>|'(?:\\.|[^'\\])*'|"(?:\g<regex>|\\.|[^"\\])*")\])?|\g<complex>|\$\{\g<complex>\})\}|(?#complexsyntax)\{(?<complex>\$(?<segment>\g<name>(\g<indices>*|\(.*?\))?)(?:->\g<segment>)*|\$\g<complex>|\$\{\g<complex>\})\}))\{/
+ /(?<n>a|b|c)\g<n>*/
+    abc
+: abc
+: a
+    accccbbb
+: accccbbb
+: a
+ /^X(?7)(a)(?|(b)|(q)(r)(s))(c)(d)(Y)/
+     XYabcdY
+: XYabcdY
+: a
+: b
+: <unset>
+: <unset>
+: c
+: d
+: Y
+ /(?<=b(?1)|zzz)(a)/
+     xbaax
+: a
+: a
+     xzzzax
+: a
+: a
+ /(a)(?<=b\1)/
+ Failed: lookbehind assertion is not fixed length at offset 10
+ /(a)(?<=b+(?1))/
+ Failed: lookbehind assertion is not fixed length at offset 13
+ /(a+)(?<=b(?1))/
+ Failed: lookbehind assertion is not fixed length at offset 14
+ /(a(?<=b(?1)))/
+ Failed: lookbehind assertion is not fixed length at offset 13
+ /(?<=b(?1))xyz/
+ Failed: reference to non-existent subpattern at offset 8
+ /(?<=b(?1))xyz(b+)pqrstuvew/
+ Failed: lookbehind assertion is not fixed length at offset 26
+ /(a|bc)\1/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|bc)\1{2,3}/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 3
+ Starting byte set: a b
+ /(a|bc)(?1)/SI
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|b\1)(a|b\1)/SI
+ Capturing subpattern count = 2
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|b\1){2}/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|bbbb\1)(a|bbbb\1)/SI
+ Capturing subpattern count = 2
+ Max back reference = 1
+ No options