$re = '/^(?<startwort>AB[\w\d-]*\d[\w\d-]*)(?>\s*,\s*|\s+)(?<startplus>(?>AB[\w\d-]*\d[\w\d-]*(?>\s*,\s*|\s+))*)(?<vorwort>.*)\s+(?<zahl>\d+)\s+(?<wort>[a-zA-Z0-9_üöä]+)\s+(?<betrag>[\d.,]+)\s*$/';
$str = 'AB2001482 AB0783714, AB0783714-Q ABBILD NRRHLAT 10 XäZ 207,25';
preg_match($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