$re = '/(\d{2}.\d{2}.\d{2})(?:.+(\w{3}))?.+\w{3}.+(\w{2}\s\d{4}).+(\d{2}:\d{2}\n).+(\d{2}.\d{2}.\d{2}).+(\w{2}\s\d{4}).+(\d{2}:\d{2}\n).+((FNC|PXO)\d{3})/';
$str = '***ÄNDERUNG ***
NEU:11.04.15 DUS AB 2646 13:15 16:25
18.04.15 FNC DUS AB 2647 17:15
FNC027 PESTANA CARLTON MADEIRA 9004-531 FUNCHAL
1 DO-MEERBLICK F
F365474 HERR PETERS, HANS O 03.01.15
LANGZEITERMÄSSIGUNG 10%
SPO-JAN_SALES 20%
FRÜHBUCHER 10%
INKL. REISELEITUNG UND TRANSFER AB/BIS
FLUGHAFEN
Zimmer in ruhiger Lage
(unverbindlicher Kundenwunsch)
NEU:
F365474 FRAU PETERS, ULRIKE O 03.01.15';
preg_match_all($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