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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/pcre2limits.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/pcre2limits.3')
| -rw-r--r-- | doc/pcre2limits.3 | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/doc/pcre2limits.3 b/doc/pcre2limits.3 index a5bab81..fdb49fa 100644 --- a/doc/pcre2limits.3 +++ b/doc/pcre2limits.3 @@ -1,4 +1,4 @@ -.TH PCRE2LIMITS 3 "05 November 2015" "PCRE2 10.21" +.TH PCRE2LIMITS 3 "29 September 2016" "PCRE2 10.23" .SH NAME PCRE2 - Perl-compatible regular expressions (revised API) .SH "SIZE AND OTHER LIMITATIONS" @@ -46,19 +46,19 @@ The maximum length of a lookbehind assertion is 65535 characters. There is no limit to the number of parenthesized subpatterns, but there can be no more than 65535 capturing subpatterns. There is, however, a limit to the depth of nesting of parenthesized subpatterns of all kinds. This is imposed in -order to limit the amount of system stack used at compile time. The limit can -be specified when PCRE2 is built; the default is 250. -.P -There is a limit to the number of forward references to subsequent subpatterns -of around 200,000. Repeated forward references with fixed upper limits, for -example, (?2){0,100} when subpattern number 2 is to the right, are included in -the count. There is no limit to the number of backward references. +order to limit the amount of system stack used at compile time. The default +limit can be specified when PCRE2 is built; the default default is 250. An +application can change this limit by calling pcre2_set_parens_nest_limit() to +set the limit in a compile context. .P The maximum length of name for a named subpattern is 32 code units, and the maximum number of named subpatterns is 10000. .P The maximum length of a name in a (*MARK), (*PRUNE), (*SKIP), or (*THEN) verb is 255 for the 8-bit library and 65535 for the 16-bit and 32-bit libraries. +.P +The maximum length of a string argument to a callout is the largest number a +32-bit unsigned integer can hold. . . .SH AUTHOR @@ -75,6 +75,6 @@ Cambridge, England. .rs .sp .nf -Last updated: 05 November 2015 -Copyright (c) 1997-2015 University of Cambridge. +Last updated: 29 September 2016 +Copyright (c) 1997-2016 University of Cambridge. .fi |