2014-10-21 18:33:30 +02:00
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<title>pcre2_substring_nametable_scan specification</title>
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</head>
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<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
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<h1>pcre2_substring_nametable_scan man page</h1>
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<p>
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Return to the <a href="index.html">PCRE2 index page</a>.
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</p>
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<p>
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This page is part of the PCRE2 HTML documentation. It was generated
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automatically from the original man page. If there is any nonsense in it,
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please consult the man page, in case the conversion went wrong.
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<br>
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<br><b>
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SYNOPSIS
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</b><br>
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<P>
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<b>#include <pcre2.h></b>
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</P>
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<P>
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<b>int pcre2_substring_nametable_scan(const pcre2_code *<i>code</i>,</b>
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<b> PCRE2_SPTR <i>name</i>, PCRE2_SPTR *<i>first</i>, PCRE2_SPTR *<i>last</i>);</b>
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</P>
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<br><b>
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DESCRIPTION
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</b><br>
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<P>
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This convenience function finds, for a compiled pattern, the first and last
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2019-02-06 19:11:36 +01:00
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entries for a given name in the table that translates capture group names into
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numbers.
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2014-10-21 18:33:30 +02:00
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<pre>
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<i>code</i> Compiled regular expression
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<i>name</i> Name whose entries required
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<i>first</i> Where to return a pointer to the first entry
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<i>last</i> Where to return a pointer to the last entry
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</pre>
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When the name is found in the table, if <i>first</i> is NULL, the function
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returns a group number, but if there is more than one matching entry, it is not
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defined which one. Otherwise, when both pointers have been set, the yield of
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the function is the length of each entry in code units. If the name is not
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found, PCRE2_ERROR_NOSUBSTRING is returned.
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</P>
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<P>
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There is a complete description of the PCRE2 native API, including the format of
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the table entries, in the
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<a href="pcre2api.html"><b>pcre2api</b></a>
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page, and a description of the POSIX API in the
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<a href="pcre2posix.html"><b>pcre2posix</b></a>
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page.
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<p>
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Return to the <a href="index.html">PCRE2 index page</a>.
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</p>
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