I want to replace a capturing group by a regexpr... see screenshot:
I only want the number "1111" after it... however the name comes in differen Variations: Einzelliste_1111 with space after the number, and another time with "_" underscore after the number, and another time with a space and some Character or other numbers after it! But I only want the number after "Einzelliste_"
so I thought the capturing group after "Einzelliste_(.*) should be sufficient because it should give me exactly that number with the $1... but it doesnt... why???