<?xml version="1.0" encoding="ISO-8859-1"?>
<slide>
	<title>Logical filters</title>
	<subtitle>regexp filter</subtitle>

	<example result="1"><![CDATA[<form action="" method="get">
Data: <input type="text" name="data" maxlength="64" size="64"/><br/>
Regexp: <input type="text" name="regexp" maxlength="64" size="64"/><br/>
<input type="submit"/>
</form>
<?php
$filter = FILTER_VALIDATE_REGEXP;
if (!empty($_GET['regexp']))
	$options = array( 'options' =>
		array( 'regexp' => $_GET['regexp'] ) );

if (isset($_GET['data'])) {
	$data = filter_input( INPUT_GET, 'data', $filter, $options );
	var_dump( $data );
}
?>]]></example>
<break/>
</slide>
