$re = '/(\+97[\s]{0,1}[\-]{0,1}[\s]{0,1}1|0)50[\s]{0,1}[\-]{0,1}[\s]{0,1}[1-9]{1}[0-9]{6}/';
$str = 'Matches (mobile)
+97150 3827741 | 0503827741 | 050-3827741
Non-Matches
040 3827741 | 05 3827741 | 050_______spaces_______3827741
Matches (land)
04 3452488 | 04 -3452488 | 04 - 3452499
Non-Matches
01 -3452488 | 04 34524888 | 04 3452488
Other tests
+97150 3827741 | +97150 3827741';
preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0);
// Print the entire match result
var_dump($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