Originally Posted by Perkin
You could use
(remove the space)
Edit: I think you might only be able use that if the replace is part of text - not inside a tag.
That would work, but I was looking for something that would insert an actual ASCII space in the text, rather than an entity (for readability).
After lots of experimenting, I discovered that I could use
as the replacement term but that seems indirect and inelegant. But it works.