remove .txt in tMap Component

[Anonymous]

I assume if I use ".split()" method. 

I could remove ".txt" but It couldn't.

is there something wrong with my expression ?

I use .split(''//.")  method and take index[0]

[Anonymous · Accepted solution]

I got a solution from https://community.talend.com/t5/Design-and-Development/String-Handling-in-Tmap/td-p/141264.