$re = '/\b[2-9]\d{3}\s\d{4}\s\d{4}\b/m';
$str = 'MR HI Government He PIHe9 Hanumana Ji 3-� fafer/ DOB : 01/01/1959 989 / Male 2094 7051 9541 ������ - ��� ����� �� 3�1���';
preg_match_all($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