/[pcre]/code/trunk/doc/pcrecompat.3
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revision 231 by ph10, Tue Sep 11 11:15:33 2007 UTC revision 442 by ph10, Fri Sep 11 10:21:02 2009 UTC
# Line 7  PCRE - Perl-compatible regular expressio Line 7  PCRE - Perl-compatible regular expressio
7  This document describes the differences in the ways that PCRE and Perl handle  This document describes the differences in the ways that PCRE and Perl handle
8  regular expressions. The differences described here are mainly with respect to  regular expressions. The differences described here are mainly with respect to
9  Perl 5.8, though PCRE versions 7.0 and later contain some features that are  Perl 5.8, though PCRE versions 7.0 and later contain some features that are
10  expected to be in the forthcoming Perl 5.10.  in Perl 5.10.
11  .P  .P
12  1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what  1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what
13  it does have are given in the  it does have are given in the
# Line 109  question mark they are. Line 109  question mark they are.
109  (e) PCRE_ANCHORED can be used at matching time to force a pattern to be tried  (e) PCRE_ANCHORED can be used at matching time to force a pattern to be tried
110  only at the first matching position in the subject string.  only at the first matching position in the subject string.
111  .sp  .sp
112  (f) The PCRE_NOTBOL, PCRE_NOTEOL, PCRE_NOTEMPTY, and PCRE_NO_AUTO_CAPTURE  (f) The PCRE_NOTBOL, PCRE_NOTEOL, PCRE_NOTEMPTY, PCRE_NOTEMPTY_ATSTART, and
113  options for \fBpcre_exec()\fP have no Perl equivalents.  PCRE_NO_AUTO_CAPTURE options for \fBpcre_exec()\fP have no Perl equivalents.
114  .sp  .sp
115  (g) The \eR escape sequence can be restricted to match only CR, LF, or CRLF  (g) The \eR escape sequence can be restricted to match only CR, LF, or CRLF
116  by the PCRE_BSR_ANYCRLF option.  by the PCRE_BSR_ANYCRLF option.
# Line 143  Cambridge CB2 3QH, England. Line 143  Cambridge CB2 3QH, England.
143  .rs  .rs
144  .sp  .sp
145  .nf  .nf
146  Last updated: 11 September 2007  Last updated: 11 September 2009
147  Copyright (c) 1997-2007 University of Cambridge.  Copyright (c) 1997-2009 University of Cambridge.
148  .fi  .fi
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