$re = '/^([a-zA-Z]*)\s*([\d\/\s\,]*)\s*(.*)$/m';
$str = '17a Taylor Street
13/1 McDougall St
76 Lyndhurst street
PO Box 177
30 Sunbeam Road
Level 24, 17-24 Kippax St';
preg_match_all($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