Online PHP editor | refs for RW8Ou

@ 2017-08-31T16:57:42Z

<?php
    $test = [
        "tesT StriNg%&/()=?aj-hd_86b",
        "tesTStriNgaj-hd_86b"
    ];
	
	foreach ($test as $str) {
	    echo (!preg_match("/[^[:alnum:]\-_]/",$str)) ? 
	        $str." is valid.\n" :
	        $str." is NOT valid.\n";
	}
?>