--TEST--
filter_data() and FILTER_VALIDATE_REGEXP
--FILE--
<?php

var_dump(filter_data("data", FILTER_VALIDATE_REGEXP, array("regexp"=>'/.*/')));
var_dump(filter_data("data", FILTER_VALIDATE_REGEXP, array("regexp"=>'/^b(.*)/')));
var_dump(filter_data("data", FILTER_VALIDATE_REGEXP, array("regexp"=>'/^d(.*)/')));
var_dump(filter_data("data", FILTER_VALIDATE_REGEXP, array("regexp"=>'/blah/')));
var_dump(filter_data("data", FILTER_VALIDATE_REGEXP, array("regexp"=>'/\[/')));
var_dump(filter_data("data", FILTER_VALIDATE_REGEXP));

echo "Done\n";
?>
--EXPECTF--	
string(4) "data"
bool(false)
string(4) "data"
bool(false)
bool(false)

Warning: filter_data(): 'regexp' option missing in %s on line %d
bool(false)
Done