/[pcre]/code/trunk/doc/pcre_exec.3
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revision 79 by nigel, Sat Feb 24 21:40:52 2007 UTC revision 426 by ph10, Wed Aug 26 15:38:32 2009 UTC
# Line 7  PCRE - Perl-compatible regular expressio Line 7  PCRE - Perl-compatible regular expressio
7  .B #include <pcre.h>  .B #include <pcre.h>
8  .PP  .PP
9  .SM  .SM
 .br  
10  .B int pcre_exec(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"  .B int pcre_exec(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"
11  .ti +5n  .ti +5n
12  .B "const char *\fIsubject\fP," int \fIlength\fP, int \fIstartoffset\fP,  .B "const char *\fIsubject\fP," int \fIlength\fP, int \fIstartoffset\fP,
# Line 35  offsets to captured substrings. Its argu Line 34  offsets to captured substrings. Its argu
34  The options are:  The options are:
35  .sp  .sp
36    PCRE_ANCHORED      Match only at the first position    PCRE_ANCHORED      Match only at the first position
37      PCRE_BSR_ANYCRLF   \eR matches only CR, LF, or CRLF
38      PCRE_BSR_UNICODE   \eR matches all Unicode line endings
39      PCRE_NEWLINE_ANY   Recognize any Unicode newline sequence
40      PCRE_NEWLINE_ANYCRLF  Recognize CR, LF, and CRLF as newline sequences
41      PCRE_NEWLINE_CR    Set CR as the newline sequence
42      PCRE_NEWLINE_CRLF  Set CRLF as the newline sequence
43      PCRE_NEWLINE_LF    Set LF as the newline sequence
44    PCRE_NOTBOL        Subject is not the beginning of a line    PCRE_NOTBOL        Subject is not the beginning of a line
45    PCRE_NOTEOL        Subject is not the end of a line    PCRE_NOTEOL        Subject is not the end of a line
46    PCRE_NOTEMPTY      An empty string is not a valid match    PCRE_NOTEMPTY      An empty string is not a valid match
47      PCRE_NO_START_OPTIMIZE  Do not do "start-match" optimizations
48    PCRE_NO_UTF8_CHECK Do not check the subject for UTF-8    PCRE_NO_UTF8_CHECK Do not check the subject for UTF-8
49                         validity (only relevant if PCRE_UTF8                         validity (only relevant if PCRE_UTF8
50                         was set at compile time)                         was set at compile time)
51    PCRE_PARTIAL       Return PCRE_ERROR_PARTIAL for a partial match    PCRE_PARTIAL       Return PCRE_ERROR_PARTIAL for a partial match
52  .sp  .sp
53  There are restrictions on what may appear in a pattern when partial matching is  For details of partial matching, see the
54  requested.  .\" HREF
55    \fBpcrepartial\fP
56    .\"
57    page.
58  .P  .P
59  A \fBpcre_extra\fP structure contains the following fields:  A \fBpcre_extra\fP structure contains the following fields:
60  .sp  .sp
61    \fIflags\fP        Bits indicating which fields are set    \fIflags\fP        Bits indicating which fields are set
62    \fIstudy_data\fP   Opaque data from \fBpcre_study()\fP    \fIstudy_data\fP   Opaque data from \fBpcre_study()\fP
63    \fImatch_limit\fP  Limit on internal recursion    \fImatch_limit\fP  Limit on internal resource use
64      \fImatch_limit_recursion\fP  Limit on internal recursion depth
65    \fIcallout_data\fP Opaque data passed back to callouts    \fIcallout_data\fP Opaque data passed back to callouts
66    \fItables\fP       Points to character tables or is NULL    \fItables\fP       Points to character tables or is NULL
67  .sp  .sp
68  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,  The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,
69  PCRE_EXTRA_CALLOUT_DATA, and PCRE_EXTRA_TABLES.  PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA, and
70    PCRE_EXTRA_TABLES.
71  .P  .P
72  There is a complete description of the PCRE native API in the  There is a complete description of the PCRE native API in the
73  .\" HREF  .\" HREF
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