- $removedlink = preg_replace("/\[url\=" . preg_quote($matches[1]) . "\](.*?)\[\/url\]/ism", '', $body);
+ $url = str_replace(['/', '.'], ['\/', '\.'], $matches[1]);
+ $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);