Is it possible to [DEL] delete characters from the end of a string? For example, I would like to take the following folders:

path\music\album1-0123
path\music\album10-4321
path\music\album100-6420

and convert them to the following:

path\music\album1
path\music\album10
path\music\album100

I've tried combining the [DEL] and [RIGHT] elements with no success. My apologies for being dense but I cannot figure it out.