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| author | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2016-10-02 16:01:01 +0000 |
|---|---|---|
| committer | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2016-10-02 16:01:01 +0000 |
| commit | c22979ba3394fd75ae70dad34c67ebd19a50bf79 (patch) | |
| tree | 65714e8410c56464a95d28415ff42fc55bce8356 /doc/pcre2syntax.3 | |
| parent | 143f7f5c4dabd978117d415d2016c7595a7b9867 (diff) | |
| download | pcre2-c22979ba3394fd75ae70dad34c67ebd19a50bf79.tar.gz | |
Major refactoring of pcre2_compile.c; see ChangeLog and HACKING.
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@555 6239d852-aaf2-0410-a92c-79f79f948069
Diffstat (limited to 'doc/pcre2syntax.3')
| -rw-r--r-- | doc/pcre2syntax.3 | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/doc/pcre2syntax.3 b/doc/pcre2syntax.3 index 8be8b92..cb149a1 100644 --- a/doc/pcre2syntax.3 +++ b/doc/pcre2syntax.3 @@ -1,4 +1,4 @@ -.TH PCRE2SYNTAX 3 "16 October 2015" "PCRE2 10.21" +.TH PCRE2SYNTAX 3 "28 September 2016" "PCRE2 10.23" .SH NAME PCRE2 - Perl-compatible regular expressions (revised API) .SH "PCRE2 REGULAR EXPRESSION SYNTAX SUMMARY" @@ -473,6 +473,9 @@ Each top-level branch of a look behind must be of a fixed length. \en reference by number (can be ambiguous) \egn reference by number \eg{n} reference by number + \eg+n relative reference by number (PCRE2 extension) + \eg-n relative reference by number + \eg{+n} relative reference by number (PCRE2 extension) \eg{-n} relative reference by number \ek<name> reference by name (Perl) \ek'name' reference by name (Perl) @@ -511,13 +514,17 @@ Each top-level branch of a look behind must be of a fixed length. (?(-n) relative reference condition (?(<name>) named reference condition (Perl) (?('name') named reference condition (Perl) - (?(name) named reference condition (PCRE2) + (?(name) named reference condition (PCRE2, deprecated) (?(R) overall recursion condition - (?(Rn) specific group recursion condition - (?(R&name) specific recursion condition + (?(Rn) specific numbered group recursion condition + (?(R&name) specific named group recursion condition (?(DEFINE) define subpattern for reference (?(VERSION[>]=n.m) test PCRE2 version (?(assert) assertion condition +.sp +Note the ambiguity of (?(R) and (?(Rn) which might be named reference +conditions or recursion tests. Such a condition is interpreted as a reference +condition if the relevant named group exists. . . .SH "BACKTRACKING CONTROL" @@ -577,6 +584,6 @@ Cambridge, England. .rs .sp .nf -Last updated: 16 October 2015 -Copyright (c) 1997-2015 University of Cambridge. +Last updated: 28 September 2016 +Copyright (c) 1997-2016 University of Cambridge. .fi |