String.Split String.Join with \n \t

Hello all,
I want to work on the Shared Parameter Textfile with Dynamo. If I split it by Tab (\t), I can join the resulting list afterwards with String.Join and everything is fine. If I split it with NewLine (\n), String.Join only take the first item of the list always. Any hint?

It’s probably not just the first line, since you removed all the newlines they are all in one long line.