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

[Bharat23]

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]

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

https://community.servicenow.com/community/develop/blog/2016/11/16/glidefilter-and-regular-expressio...