WordPress plugin that removes evil characters in file names

sunnytize.php

<?php
/*
Plugin Name: Sunnytize
Plugin URI:
Description: A better file name sanitizer
Version: 2.0
Author: Sunny Ripert, Bastien Maillard, Guillaume Morisseau
Author URI: http://sunfox.org
*/

function sunnytize($name, $name_raw = "") {
  return preg_replace('/[^a-z0-9-_\/]+/', '', $name);
}

add_filter('sanitize_file_name', 'sunnytize');
add_filter('editable_slug', 'sunnytize');