- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
preg_match('/([a-z0-9\-\.]+)/i', "Sc\reen S/hot 20'14-05-19 at 14.21.22", $input);
var_dump($input);
//$filename = str_replace(['/', '\'', ' '], '_', $input);
//var_dump($filename);