$re = '/^\(*\d{2}\)*\s*[6|7|8|9](?:\d{7}|\d{3}\s*-\s*\d{4})$/m';
$str = '1133333321
41 8543-0897
119076-1345
(21)9046 -1345
2450 -5678
9764-4356
2199991111
(51)58753201
(57)67890431
999999999
78906542
83567031
09853212
45678901
23456790
40041000';
preg_match_all($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