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Diffstat (limited to 'pcre/doc/pcresyntax.3')
| -rw-r--r-- | pcre/doc/pcresyntax.3 | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/pcre/doc/pcresyntax.3 b/pcre/doc/pcresyntax.3 index 87f0cead743..fd878da4f99 100644 --- a/pcre/doc/pcresyntax.3 +++ b/pcre/doc/pcresyntax.3 @@ -1,4 +1,4 @@ -.TH PCRESYNTAX 3 "12 November 2013" "PCRE 8.34" +.TH PCRESYNTAX 3 "08 January 2014" "PCRE 8.35" .SH NAME PCRE - Perl-compatible regular expressions .SH "PCRE REGULAR EXPRESSION SYNTAX SUMMARY" @@ -309,6 +309,8 @@ but some of them use Unicode properties if PCRE_UCP is set. You can use .rs .sp \eK reset start of match +.sp +\eK is honoured in positive assertions, but ignored in negative ones. . . .SH "ALTERNATION" @@ -354,11 +356,13 @@ but some of them use Unicode properties if PCRE_UCP is set. You can use (?x) extended (ignore white space) (?-...) unset option(s) .sp -The following are recognized only at the start of a pattern or after one of the -newline-setting options with similar syntax: +The following are recognized only at the very start of a pattern or after one +of the newline or \eR options with similar syntax. More than one of them may +appear. .sp (*LIMIT_MATCH=d) set the match limit to d (decimal number) (*LIMIT_RECURSION=d) set the recursion limit to d (decimal number) + (*NO_AUTO_POSSESS) no auto-possessification (PCRE_NO_AUTO_POSSESS) (*NO_START_OPT) no start-match optimization (PCRE_NO_START_OPTIMIZE) (*UTF8) set UTF-8 mode: 8-bit library (PCRE_UTF8) (*UTF16) set UTF-16 mode: 16-bit library (PCRE_UTF16) @@ -370,6 +374,29 @@ Note that LIMIT_MATCH and LIMIT_RECURSION can only reduce the value of the limits set by the caller of pcre_exec(), not increase them. . . +.SH "NEWLINE CONVENTION" +.rs +.sp +These are recognized only at the very start of the pattern or after option +settings with a similar syntax. +.sp + (*CR) carriage return only + (*LF) linefeed only + (*CRLF) carriage return followed by linefeed + (*ANYCRLF) all three of the above + (*ANY) any Unicode newline sequence +. +. +.SH "WHAT \eR MATCHES" +.rs +.sp +These are recognized only at the very start of the pattern or after option +setting with a similar syntax. +.sp + (*BSR_ANYCRLF) CR, LF, or CRLF + (*BSR_UNICODE) any Unicode newline sequence +. +. .SH "LOOKAHEAD AND LOOKBEHIND ASSERTIONS" .rs .sp @@ -457,29 +484,6 @@ pattern is not anchored. (*THEN:NAME) equivalent to (*MARK:NAME)(*THEN) . . -.SH "NEWLINE CONVENTIONS" -.rs -.sp -These are recognized only at the very start of the pattern or after a -(*BSR_...), (*UTF8), (*UTF16), (*UTF32) or (*UCP) option. -.sp - (*CR) carriage return only - (*LF) linefeed only - (*CRLF) carriage return followed by linefeed - (*ANYCRLF) all three of the above - (*ANY) any Unicode newline sequence -. -. -.SH "WHAT \eR MATCHES" -.rs -.sp -These are recognized only at the very start of the pattern or after a -(*...) option that sets the newline convention or a UTF or UCP mode. -.sp - (*BSR_ANYCRLF) CR, LF, or CRLF - (*BSR_UNICODE) any Unicode newline sequence -. -. .SH "CALLOUTS" .rs .sp @@ -508,6 +512,6 @@ Cambridge CB2 3QH, England. .rs .sp .nf -Last updated: 12 November 2013 -Copyright (c) 1997-2013 University of Cambridge. +Last updated: 08 January 2014 +Copyright (c) 1997-2014 University of Cambridge. .fi |