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MDEV-4425 REGEXP enhancements

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Alexander Barkov
2013-09-26 18:02:17 +04:00
parent 9d83468e78
commit 285e7aa179
371 changed files with 193126 additions and 7719 deletions
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pcre/doc/pcre_get_stringnumber.3 Normal file
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.TH PCRE_GET_STRINGNUMBER 3 "24 June 2012" "PCRE 8.30"
.SH NAME
PCRE - Perl-compatible regular expressions
.SH SYNOPSIS
.rs
.sp
.B #include <pcre.h>
.PP
.SM
.B int pcre_get_stringnumber(const pcre *\fIcode\fP,
.ti +5n
.B const char *\fIname\fP);
.PP
.B int pcre16_get_stringnumber(const pcre16 *\fIcode\fP,
.ti +5n
.B PCRE_SPTR16 \fIname\fP);
.PP
.B int pcre32_get_stringnumber(const pcre32 *\fIcode\fP,
.ti +5n
.B PCRE_SPTR32 \fIname\fP);
.
.SH DESCRIPTION
.rs
.sp
This convenience function finds the number of a named substring capturing
parenthesis in a compiled pattern. Its arguments are:
.sp
\fIcode\fP Compiled regular expression
\fIname\fP Name whose number is required
.sp
The yield of the function is the number of the parenthesis if the name is
found, or PCRE_ERROR_NOSUBSTRING otherwise. When duplicate names are allowed
(PCRE_DUPNAMES is set), it is not defined which of the numbers is returned by
\fBpcre[16|32]_get_stringnumber()\fP. You can obtain the complete list by calling
\fBpcre[16|32]_get_stringtable_entries()\fP.
.P
There is a complete description of the PCRE native API in the
.\" HREF
\fBpcreapi\fP
.\"
page and a description of the POSIX API in the
.\" HREF
\fBpcreposix\fP
.\"
page.