$re = '/([0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3})\s{1}(.*)\s{1,}([A-Z0-9]{2}-[A-Z0-9]{2}-[A-Z0-9]{2}-[A-Z0-9]{2}-[A-Z0-9]{2}-[A-Z0-9]{2}:[A-Z0-9]{2})\s{1}(AHM.*)\s([0-9]{1,3})/m';
$str = '192.168.128.203 2C-FF-EE B4-C7-99-73-AE-10:R1 AHM WLAN DIREKSI KRW 702';
preg_match_all($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