https://books.google.be/books?id=ZeoS2PyifmcC&pg=PR4&lpg=PR4&dq=regul%C3%A4re+ausdr%C3%BCcke+cookbook&source=bl&ots=Ojup874-rg&sig=dHnVEFp6tiFaz-SNG-S6_C0dybI&hl=de&sa=X&ved=0CEQQ6AEwBGoVChMI8rn5zqj7yAIVh34aCh0O9wA8#v=onepage&q&f=true
Buch "Reguläre Ausdrücke - Kochbuch"