$re = '/Ваш заказ доступен по адресу:(?:\s++(?:[а-яА-Я\w\d,!]++|\.)*?){1,3}\s*+\.\sЗабирайте скорее!$/';
$str = 'Ваш заказ доступен по адресу: dfdfdf dfdfdfdfdfdfdfdfdfdfd sfdnjв. Забир айте скорее!';
preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php