With the rename regular expression when "(.*)" is replaced with "" there are no results
But when a space is added after the "\1" it works
Why does it have to have a space (or other character) to work?
Why does it have to have a space (or other character) to work?
Because you're seeing in the preview window that no change would occur, so the file won't be renamed. Adding the space would change the filename, so it appears in the New Name column.