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.TH PCRE 3
.SH NAME
PCRE - Perl-compatible regular expressions
.SH SYNOPSIS
.rs
.sp
.B #include <pcre.h>
.PP
.SM
.br
.B int pcre_copy_substring(const char *\fIsubject\fR, int *\fIovector\fR,
.ti +5n
.B int \fIstringcount\fR, int \fIstringnumber\fR, char *\fIbuffer\fR,
.ti +5n
.B int \fIbuffersize\fR);
.SH DESCRIPTION
.rs
.sp
This is a convenience function for extracting a captured substring into a given
buffer. The arguments are:
\fIsubject\fR Subject that has been successfully matched
\fIovector\fR Offset vector that \fBpcre_exec()\fR used
\fIstringcount\fR Value returned by \fBpcre_exec()\fR
\fIstringnumber\fR Number of the required substring
\fIbuffer\fR Buffer to receive the string
\fIbuffersize\fR Size of buffer
The yield is the legnth of the string, PCRE_ERROR_NOMEMORY if the buffer was
too small, or PCRE_ERROR_NOSUBSTRING if the string number is invalid.
There is a complete description of the PCRE API in the
.\" HREF
\fBpcreapi\fR
.\"
page.
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