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<title>pcre_study specification</title> |
<title>pcre_study 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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This HTML document has been generated automatically from the original man page. |
<h1>pcre_study man page</h1> |
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If there is any nonsense in it, please consult the man page, in case the |
<p> |
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conversion went wrong.<br> |
Return to the <a href="index.html">PCRE index page</a>. |
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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> |
<br><b> |
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SYNOPSIS |
SYNOPSIS |
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</b><br> |
</b><br> |
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<P> |
<P> |
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This function studies a compiled pattern, to see if additional information can |
This function studies a compiled pattern, to see if additional information can |
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be extracted that might speed up matching. Its arguments are: |
be extracted that might speed up matching. Its arguments are: |
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<pre> |
<pre> |
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<i>code</i> A compiled regular expression |
<i>code</i> A compiled regular expression |
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<i>options</i> Options for <b>pcre_study()</b> |
<i>options</i> Options for <b>pcre_study()</b> |
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<i>errptr</i> Where to put an error message |
<i>errptr</i> Where to put an error message |
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</PRE> |
</pre> |
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If the function succeeds, it returns a value that can be passed to |
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<b>pcre_exec()</b> via its <i>extra</i> argument. |
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</P> |
</P> |
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<P> |
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If the function returns NULL, either it could not find any additional |
If the function returns NULL, either it could not find any additional |
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always be zero. |
always be zero. |
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</P> |
</P> |
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<P> |
<P> |
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There is a complete description of the PCRE API in the |
There is a complete description of the PCRE native API in the |
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<a href="pcreapi.html"><b>pcreapi</b></a> |
<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. |
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> |