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version 1.1.1.1, 2012/02/21 23:05:52	version 1.1.1.5, 2014/06/15 19:46:05
Line 1	Line 1
.TH PCRE_EXEC 3	.TH PCRE_EXEC 3 "12 May 2013" "PCRE 8.33"
.SH NAME	.SH NAME
PCRE - Perl-compatible regular expressions	PCRE - Perl-compatible regular expressions
.SH SYNOPSIS	.SH SYNOPSIS
Line 6 PCRE - Perl-compatible regular expressions	Line 6 PCRE - Perl-compatible regular expressions
.sp	.sp
.B #include <pcre.h>	.B #include <pcre.h>
.PP	.PP
.SM	.nf
.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,"
.ti +5n	.B " const char *\fIsubject\fP, int \fIlength\fP, int \fIstartoffset\fP,"
.B "const char *\fIsubject\fP," int \fIlength\fP, int \fIstartoffset\fP,	.B " int \fIoptions\fP, int *\fIovector\fP, int \fIovecsize\fP);"
.ti +5n	.sp
.B int \fIoptions\fP, int *\fIovector\fP, int \fIovecsize\fP);	.B int pcre16_exec(const pcre16 \fIcode\fP, "const pcre16_extra \fIextra\fP,"
	.B " PCRE_SPTR16 \fIsubject\fP, int \fIlength\fP, int \fIstartoffset\fP,"
	.B " int \fIoptions\fP, int *\fIovector\fP, int \fIovecsize\fP);"
	.sp
	.B int pcre32_exec(const pcre32 \fIcode\fP, "const pcre32_extra \fIextra\fP,"
	.B " PCRE_SPTR32 \fIsubject\fP, int \fIlength\fP, int \fIstartoffset\fP,"
	.B " int \fIoptions\fP, int *\fIovector\fP, int \fIovecsize\fP);"
	.fi
.	.
.SH DESCRIPTION	.SH DESCRIPTION
.rs	.rs
Line 21 string, using a matching algorithm that is similar to	Line 28 string, using a matching algorithm that is similar to
offsets to captured substrings. Its arguments are:	offsets to captured substrings. Its arguments are:
.sp	.sp
\fIcode\fP Points to the compiled pattern	\fIcode\fP Points to the compiled pattern
\fIextra\fP Points to an associated \fBpcre_extra\fP structure,	\fIextra\fP Points to an associated \fBpcre[16\|32]_extra\fP structure,
or is NULL	or is NULL
\fIsubject\fP Points to the subject string	\fIsubject\fP Points to the subject string
\fIlength\fP Length of the subject string, in bytes	\fIlength\fP Length of the subject string
\fIstartoffset\fP Offset in bytes in the subject at which to	\fIstartoffset\fP Offset in the subject at which to start matching
start matching
\fIoptions\fP Option bits	\fIoptions\fP Option bits
\fIovector\fP Points to a vector of ints for result offsets	\fIovector\fP Points to a vector of ints for result offsets
\fIovecsize\fP Number of elements in the vector (a multiple of 3)	\fIovecsize\fP Number of elements in the vector (a multiple of 3)
.sp	.sp
The options are:	The units for \fIlength\fP and \fIstartoffset\fP are bytes for
	\fBpcre_exec()\fP, 16-bit data items for \fBpcre16_exec()\fP, and 32-bit items
	for \fBpcre32_exec()\fP. The options are:
.sp	.sp
PCRE_ANCHORED Match only at the first position	PCRE_ANCHORED Match only at the first position
PCRE_BSR_ANYCRLF \eR matches only CR, LF, or CRLF	PCRE_BSR_ANYCRLF \eR matches only CR, LF, or CRLF
Line 47 The options are:	Line 55 The options are:
PCRE_NOTEMPTY_ATSTART An empty string at the start of the subject	PCRE_NOTEMPTY_ATSTART An empty string at the start of the subject
is not a valid match	is not a valid match
PCRE_NO_START_OPTIMIZE Do not do "start-match" optimizations	PCRE_NO_START_OPTIMIZE Do not do "start-match" optimizations
	PCRE_NO_UTF16_CHECK Do not check the subject for UTF-16
	validity (only relevant if PCRE_UTF16
	was set at compile time)
	PCRE_NO_UTF32_CHECK Do not check the subject for UTF-32
	validity (only relevant if PCRE_UTF32
	was set at compile time)
PCRE_NO_UTF8_CHECK Do not check the subject for UTF-8	PCRE_NO_UTF8_CHECK Do not check the subject for UTF-8
validity (only relevant if PCRE_UTF8	validity (only relevant if PCRE_UTF8
was set at compile time)	was set at compile time)
Line 62 For details of partial matching, see the	Line 76 For details of partial matching, see the
page. A \fBpcre_extra\fP structure contains the following fields:	page. A \fBpcre_extra\fP structure contains the following fields:
.sp	.sp
\fIflags\fP Bits indicating which fields are set	\fIflags\fP Bits indicating which fields are set
\fIstudy_data\fP Opaque data from \fBpcre_study()\fP	\fIstudy_data\fP Opaque data from \fBpcre[16\|32]_study()\fP
\fImatch_limit\fP Limit on internal resource use	\fImatch_limit\fP Limit on internal resource use
\fImatch_limit_recursion\fP Limit on internal recursion depth	\fImatch_limit_recursion\fP Limit on internal recursion depth
\fIcallout_data\fP Opaque data passed back to callouts	\fIcallout_data\fP Opaque data passed back to callouts

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