51 lines
1.7 KiB
HTML
51 lines
1.7 KiB
HTML
<html>
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<head>
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<title>pcre2_match_data_create_from_pattern 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_match_data_create_from_pattern 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>pcre2_match_data *pcre2_match_data_create_from_pattern(</b>
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<b> const pcre2_code *<i>code</i>, pcre2_general_context *<i>gcontext</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 function creates a new match data block, which is used for holding the
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result of a match. The first argument points to a compiled pattern. The number
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of capturing parentheses within the pattern is used to compute the number of
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pairs of offsets that are required in the match data block. These form the
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"output vector" (ovector) within the match data block, and are used to identify
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the matched string and any captured substrings.
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</P>
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<P>
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The second argument points to a general context, for custom memory management,
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or is NULL to use the same memory allocator as was used for the compiled
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pattern. The result of the function is NULL if the memory for the block could
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not be obtained.
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</P>
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<P>
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There is a complete description of the PCRE2 native API 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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