replace by empty

Do you mean that you want a string that contains any of the above characters has those characters removed? For example: "ACB;DEF?GHI<" would become "ABCDEFGHI"? If so you can simply use the out-of-the-box function fn!stripwith()

Yes, fn!stripwith() will do this:

fn!stripwith(
"w]orld/;:.txt",
"\ /; : â € œ | ? â € ™> <*]"
)

Thanks for the reply. But I'm looking to do that same thing but for any string of characters.

Then write an expression rule that takes two rule inputs:
1. the text you want to process - let's call this 'textToStrip'
2. the values you want removed from the above text - let's call this 'stripWithText'

Then your rule will look as follows:

fn!stripwith(
ri!textToStrip,
ri!stripWithText
)

This is now completely generic.

Thanks so much Steve

Thanks so much Steve