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@ 2014-05-27T15:26:41Z

<?php
$array = array("0", "0", "F12345 / Q56T76");
	if(strlen($array[2]) > 6 && preg_match('/[^a-zA-Z_\-0-9]/', str_replace(" ","",$array[2]))){
			$error_message = "HFA Song Code contains characters other than alphanumerics and / at Line Number ";
    }
        echo $error_message;
?>

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
str_replace: documentation ( source)

preferences:dark modelive preview

57.32 ms | 402 KiB | 5 Q