pcre_get_stringnumber man page
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SYNOPSIS
#include <pcre.h>
int pcre_get_stringnumber(const pcre *code,const char *name);
DESCRIPTION
This convenience function finds the number of a named substring capturing
parenthesis in a compiled pattern. Its arguments are:
  
code    Compiled regular expression
  
name    Name whose number is required
The yield of the function is the number of the parenthesis if the name is
found, or PCRE_ERROR_NOSUBSTRING otherwise.
There is a complete description of the PCRE native API in the
pcreapi.htmlpcreapi page and a description of the POSIX API in the
pcreposix.htmlpcreposix page.
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