this is a perfect case for the brand new Regex Extractor node in Palladian 2.0 – especially if you’re used to more intuitive tools such as Regex101 you’ll feel right at home. See here for the announcement:
It uses the “named capture groups“ firstValue and secondValue which give the name of the output columns. Any way, when editing the expression you’ll always see a preview of the results as you’re used to from Regex101.
Any feedback welcome!
PS: An alternative approach could be to define a “tokenization expression”. This makes sense, if you have a variable number of items separated with a ;
It will basically create a match for each value between the semicolon: