$re = '/^(\+\d{2,4})?\s?(\d{2,4}|\(\d{2,4}\))?\s?[\d\s.-]{3,15}$/m';
$str = '9999 99999-99
+99 999288432
(883) 892739723
+12 123 8293-76.238
123 234 879347-837';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($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