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| author | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2020-01-27 15:36:29 +0000 |
|---|---|---|
| committer | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2020-01-27 15:36:29 +0000 |
| commit | 8d66348cbeb82ab7234aee227e483796a771ee19 (patch) | |
| tree | 3fa885f567a824d08a79f89ffa36468a85602964 /doc/pcre2pattern.3 | |
| parent | b251f0bc17a4d5a3b3f7690432113c773bcbe13f (diff) | |
| download | pcre2-8d66348cbeb82ab7234aee227e483796a771ee19.tar.gz | |
Documentation update.
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1214 6239d852-aaf2-0410-a92c-79f79f948069
Diffstat (limited to 'doc/pcre2pattern.3')
| -rw-r--r-- | doc/pcre2pattern.3 | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/pcre2pattern.3 b/doc/pcre2pattern.3 index 319efc7..35e5568 100644 --- a/doc/pcre2pattern.3 +++ b/doc/pcre2pattern.3 @@ -1,4 +1,4 @@ -.TH PCRE2PATTERN 3 "24 January 2020" "PCRE2 10.35" +.TH PCRE2PATTERN 3 "27 January 2020" "PCRE2 10.35" .SH NAME PCRE2 - Perl-compatible regular expressions (revised API) .SH "PCRE2 REGULAR EXPRESSION DETAILS" @@ -2671,6 +2671,10 @@ pattern. If this is not the case, the rest of the pattern match fails exactly as before because nothing has changed, so using a non-atomic assertion just wastes resources. .P +There is one exception to backtracking into a non-atomic assertion. If an +(*ACCEPT) control verb is triggered, the assertion succeeds atomically. That +is, a subsequent match failure cannot backtrack into the assertion. +.P Non-atomic assertions are not supported by the alternative matching function \fBpcre2_dfa_match()\fP. They are supported by JIT, but only if they do not contain any control verbs such as (*ACCEPT). (This may change in future). Note @@ -3872,6 +3876,6 @@ Cambridge, England. .rs .sp .nf -Last updated: 24 January 2020 +Last updated: 27 January 2020 Copyright (c) 1997-2020 University of Cambridge. .fi |