<?php echo preg_match('/^(.+)\.(?!(php|exe))$/i','test.php'); echo preg_match('/^(.+)\.(?!(php|exe))$/i','test.exe'); echo preg_match('/^(.+)\.(?!(php|exe))$/i','test.PHP'); echo preg_match('/^(.+)\.(?!(php|exe))[a-z]+$/i','test.EXE');echo preg_match('/^(.+)\.(?!(php|exe))[a-z]+$/i','test.ok');echo preg_match('/^(.+)\.(?!(php|exe))[a-z]+$/i','test.gif');
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