pcre_get_stringtable_entries man page

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SYNOPSIS

#include <pcre.h>

int pcre_get_stringtable_entries(const pcre *code, const char *name, char **first, char **last);

This convenience function finds, for a compiled pattern, the first and last entries for a given name in the table that translates capturing parenthesis names into numbers. When names are required to be unique (PCRE_DUPNAMES is not set), it is usually easier to use pcre_get_stringnumber() instead.

  code    Compiled regular expression
  name    Name whose entries required
  first   Where to return a pointer to the first entry
  last    Where to return a pointer to the last entry

There is a complete description of the PCRE native API, including the format of the table entries, in the pcreapi page, and a description of the POSIX API in the pcreposix page.

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