$re = '/^\#(?<TAG>ZKI\.NET\-PTS)[|]{2}(?<Odesilatel>.{3})[|]{2}(?<Adresat>.{3})[|]{2}(?<Predmet>.{3})[|]{2}(?<Hodnota1>.+)[\|]{2}(?<Hodnota2>.*)\#$/';
$str = '#ZKI.NET-PTS||001||S01||PRE||002||T02#';
preg_match_all($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