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<title>Snort AI preprocessor module: Regex management</title>
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<a href="#func-members">Functions</a> </div>
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<h1>Regex management</h1> </div>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__regex.html#ga35f57c052a7de1ded54b67a1f7819791">preg_match</a> (const char *expr, char *str, char ***matches, int *nmatches)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if a string matches a regular expression. <a href="#ga35f57c052a7de1ded54b67a1f7819791"></a><br/></td></tr>
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</table>
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<hr/><h2>Function Documentation</h2>
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<a class="anchor" id="ga35f57c052a7de1ded54b67a1f7819791"></a><!-- doxytag: member="regex.c::preg_match" ref="ga35f57c052a7de1ded54b67a1f7819791" args="(const char *expr, char *str, char ***matches, int *nmatches)" -->
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<td class="memname">int preg_match </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"> <em>expr</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">char * </td>
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<td class="paramname"> <em>str</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">char *** </td>
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<td class="paramname"> <em>matches</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int * </td>
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<td class="paramname"> <em>nmatches</em></td><td> </td>
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<div class="memdoc">
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<p>Check if a string matches a regular expression. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>expr</em> </td><td>Regular expression to be matched </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>str</em> </td><td>String to be checked </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>matches</em> </td><td>Reference to a char** that will contain the submatches (NULL if you don't need it) </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>nmatches</em> </td><td>Reference to a int containing the number of submatches found (NULL if you don't need it) </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>-1 if the regex is wrong, 0 if no match was found, 1 otherwise </dd></dl>
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<hr class="footer"/><address class="footer"><small>Generated on Sat Sep 4 2010 21:30:42 for Snort AI preprocessor module by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address>
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