$re = '/^(?:(?:(\+?972|\(\+?972\)|\+?\(972\))(?:\s|\.|-)?([1-9]\d?))|(0\d{1,2}))(?:\s|\.|-)?([^0\D]{1}\d{2}(?:\s|\.|-)?\d{4})$/m';
$str = 'Valid:
972 54-333-4444
+972-54-333-4444
02-3334444
02 3334444
023334444
050-333-4444
(+972)54-333-4444
+(972)50 333 4444
0753334444
972543334444
Invalid:
02-033-4444
23334444
02-33-4444
654-333-4444
973 54 3334444
972 054 3334444
972 02 333 4444';
preg_match_all($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