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PCRE2_SUBS...NGTH_BYNAME(3) Library Functions Manual PCRE2_SUBS...NGTH_BYNAME(3)

NAME
     PCRE2 - Perl-compatible regular expressions (revised API)

SYNOPSIS

     #include <pcre2.h>

     int pcre2_substring_length_byname(pcre2_match_data *match_data,
       PCRE2_SPTR name, PCRE2_SIZE *length);

DESCRIPTION

     This  function  returns  the  length  of a matched substring, identified by
     name.  The arguments are:

       match_data   The match data block for the match
       name	    The substring name
       length	    Where to return the length, or NULL

     The third argument may be NULL if all you want to know is whether or not  a
     substring	is  set.  The yield is zero on success, or a negative error code
     otherwise.

     There is a complete description of the PCRE2 native  API  in  the	pcre2api
     page and a description of the POSIX API in the pcre2posix page.

PCRE2 10.47			26 September 2025    PCRE2_SUBS...NGTH_BYNAME(3)

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