It works but removes the space and adds "_" between words.
Dennis Bryon[space]drums, Group Member
Dennis_Brown_Drums, Group Member
Does the Expression tells it to remove the space? I created the action group with all the characters in your example.
I would like to maintain space (tab) between individual and position
Bee Gees [ space ] Producer
Nick Blacona [space]Assistant Engineer
John Blanch [space] Assistant Engineer
Gary Brown [space] Saxophone