How can I remove trailing underscores from file names?

[gwswicord]

Hi. I have a large set of files that use _ to avoid problems caused by spaces in filenames. How can I remove _ as the last character without removing the underscores between words in the filenames?

[Luuk]

If its always just 1-underscore, Replace(3) can use a "Replace" like \end\_

If can be 1-or-more, then RegEx(1) can use a "Match" and "Replace" like...
(.+?)_+$
\1

[gwswicord]

Thanks, Luuk! That did the trick.