How to use "does not end with" in reference qualifier

Bharat23 · ‎01-25-2017

I need to show a list of user records where user id does not end with -a

"does not end with" is not available as an operator in reference field qualifier. Any other ideas in which it can be achieved?

dvp · ‎01-25-2017

Here is the article that is explaining about using regex in SN