$re = '/^(?=(?:\D*\d\D*){8,14}$)[- \d()+]*/m';
$str = '12345678901234
123 456789 0 1 2 3 4
+1 2345678901234
(12) 3 4 56 7 8 9 01234
1-2-3-4-5-6-7 8 9 0 123 4
1-2-3-4-5-6-7 8 9 0 123 47';
preg_match_all($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