$config['markup'][] = array("/\[spoiler\](.+?)\[\/spoiler\]/s", "<span class=\"spoiler\">\$1</span>");
        $config['markup'][] = array("/\[b\](.+?)\[\/b\]/", "<strong>\$1</strong>");
        $config['markup'][] = array("/\[i\](.+?)\[\/i\]/", "<i>\$1</i>");
        $config['markup'][] = array("/\[u\](.+?)\[\/u\]/", "<u>\$1</u>");
        $config['markup'][] = array("/\[s\](.+?)\[\/s\]/", "<s>\$1</s>");