2014-07-04 22:28:24 +00:00
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<title>pcre_get_substring 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>pcre_get_substring man page</h1>
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<p>
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Return to the <a href="index.html">PCRE index page</a>.
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</p>
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<p>
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This page is part of the PCRE HTML documentation. It was generated automatically
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from the original man page. If there is any nonsense in it, please consult the
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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 <pcre.h></b>
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</P>
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<P>
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<b>int pcre_get_substring(const char *<i>subject</i>, int *<i>ovector</i>,</b>
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2014-07-05 11:53:30 +00:00
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<b> int <i>stringcount</i>, int <i>stringnumber</i>,</b>
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<b> const char **<i>stringptr</i>);</b>
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<br>
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<br>
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2014-07-04 22:28:24 +00:00
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<b>int pcre16_get_substring(PCRE_SPTR16 <i>subject</i>, int *<i>ovector</i>,</b>
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2014-07-05 11:53:30 +00:00
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<b> int <i>stringcount</i>, int <i>stringnumber</i>,</b>
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<b> PCRE_SPTR16 *<i>stringptr</i>);</b>
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<br>
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<br>
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2014-07-04 22:28:24 +00:00
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<b>int pcre32_get_substring(PCRE_SPTR32 <i>subject</i>, int *<i>ovector</i>,</b>
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2014-07-05 11:53:30 +00:00
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<b> int <i>stringcount</i>, int <i>stringnumber</i>,</b>
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<b> PCRE_SPTR32 *<i>stringptr</i>);</b>
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2014-07-04 22:28:24 +00:00
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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 is a convenience function for extracting a captured substring. The
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arguments are:
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<pre>
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<i>subject</i> Subject that has been successfully matched
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<i>ovector</i> Offset vector that <b>pcre[16|32]_exec()</b> used
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<i>stringcount</i> Value returned by <b>pcre[16|32]_exec()</b>
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<i>stringnumber</i> Number of the required substring
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<i>stringptr</i> Where to put the string pointer
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</pre>
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The memory in which the substring is placed is obtained by calling
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<b>pcre[16|32]_malloc()</b>. The convenience function
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<b>pcre[16|32]_free_substring()</b> can be used to free it when it is no longer
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needed. The yield of the function is the length of the substring,
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PCRE_ERROR_NOMEMORY if sufficient memory could not be obtained, or
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PCRE_ERROR_NOSUBSTRING if the string number is invalid.
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</P>
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<P>
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There is a complete description of the PCRE native API in the
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<a href="pcreapi.html"><b>pcreapi</b></a>
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page and a description of the POSIX API in the
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<a href="pcreposix.html"><b>pcreposix</b></a>
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page.
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<p>
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Return to the <a href="index.html">PCRE index page</a>.
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</p>
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