Online PHP editor | refs for O4168

<?php echo preg_match('/(\.(?!php))$/i','test.PHP')."\n"; echo preg_match('/(\.(?!(php|exe))$/i','test.php')."\n"; echo preg_match('/(\.(?!(php|exe))$/i','test.EXE')."\n"; echo preg_match('/(\.(?!(php|exe))$/i','test.exe')."\n"; echo preg_match('/(\.(?!(php|exe))$/i','test.zip')."\n"; echo preg_match('/(\.(?!(php|exe))$/i','test.ZIP')."\n"; echo preg_match('/(\.(?!(php|exe))$/i','test.ok')."\n";echo preg_match('/(\.(?!(php|\.exe))$/i','test.OK');