Added filtering to the testlog search string

www/testlog.php

@@ -17,7 +17,7 @@
 $days      = (int)$_GET["days"];
 $from      = $_GET["from"] ?: 'now';
 $filter    = $_GET["filter"];
-$filterstr = $filter ? strtolower($filter) : null;
+$filterstr = $filter ? preg_replace('/[^a-zA-Z0-9 \.\(\))\-\+]/', '', strtolower($filter)) : null;
 $onlyVideo = !empty($_REQUEST['video']);
 $all       = !empty($_REQUEST['all']);
 $repeat   = !empty($_REQUEST['repeat']);