$re = '/[\s-]/m';
$str = '91-011-23413627
21 011 23412331
91-22-5767801
91-22-5767801
31-424-2339056
91-731-2530659
92-731-2431956
1-731-2530659111
91-731-2431956
111 739 2530659111
091-011-23413627
121 011 23412331
291-322-5767801
491-22-5767801
531-424-2339056123
291-731-2530659123
192-731-2431956
122-731-2530659111
912-731-2431956{-truncated-}';
preg_match_all($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