编辑文件 - pcre2_substring_length

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<title>pcre2_substring_length_byname specification</title>
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<h1>pcre2_substring_length_byname man page</h1>

Return to the <a href="index.html">PCRE2 index page</a>.


This page is part of the PCRE2 HTML documentation. It was generated
automatically from the original man page. If there is any nonsense in it,
please consult the man page, in case the conversion went wrong.
 
 
SYNOPSIS
 

#include &#60;pcre2.h&#62;


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:
<pre>
 match_data The match data block for the match
 name The substring name
 length Where to return the length
</pre>
The yield is zero on success, or an error code if the substring is not found.


There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html">pcre2api</a>
page and a description of the POSIX API in the
<a href="pcre2posix.html">pcre2posix</a>
page.

Return to the <a href="index.html">PCRE2 index page</a>.

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