/[pcre]/code/trunk/doc/pcreposix.3
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revision 331 by ph10, Tue Mar 6 12:27:42 2007 UTC revision 332 by ph10, Sat Apr 5 16:11:05 2008 UTC
# Line 157  REG_NEWLINE action. Line 157  REG_NEWLINE action.
157  .rs  .rs
158  .sp  .sp
159  The function \fBregexec()\fP is called to match a compiled pattern \fIpreg\fP  The function \fBregexec()\fP is called to match a compiled pattern \fIpreg\fP
160  against a given \fIstring\fP, which is terminated by a zero byte, subject to  against a given \fIstring\fP, which is by default terminated by a zero byte
161  the options in \fIeflags\fP. These can be:  (but see REG_STARTEND below), subject to the options in \fIeflags\fP. These can
162    be:
163  .sp  .sp
164    REG_NOTBOL    REG_NOTBOL
165  .sp  .sp
# Line 169  function. Line 170  function.
170  .sp  .sp
171  The PCRE_NOTEOL option is set when calling the underlying PCRE matching  The PCRE_NOTEOL option is set when calling the underlying PCRE matching
172  function.  function.
173    .sp
174      REG_STARTEND
175    .sp
176    The string is considered to start at \fIstring\fP + \fIpmatch[0].rm_so\fP and
177    to have a terminating NUL located at \fIstring\fP + \fIpmatch[0].rm_eo\fP
178    (there need not actually be a NUL at that location), regardless of the value of
179    \fInmatch\fP. This is a BSD extension, compatible with but not specified by
180    IEEE Standard 1003.2 (POSIX.2), and should be used with caution in software
181    intended to be portable to other systems. Note that a non-zero \fIrm_so\fP does
182    not imply REG_NOTBOL; REG_STARTEND affects only the location of the string, not
183    how it is matched.
184  .P  .P
185  If the pattern was compiled with the REG_NOSUB flag, no data about any matched  If the pattern was compiled with the REG_NOSUB flag, no data about any matched
186  strings is returned. The \fInmatch\fP and \fIpmatch\fP arguments of  strings is returned. The \fInmatch\fP and \fIpmatch\fP arguments of
# Line 221  Cambridge CB2 3QH, England. Line 233  Cambridge CB2 3QH, England.
233  .rs  .rs
234  .sp  .sp
235  .nf  .nf
236  Last updated: 06 March 2007  Last updated: 05 April 2008
237  Copyright (c) 1997-2007 University of Cambridge.  Copyright (c) 1997-2008 University of Cambridge.
238  .fi  .fi
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