Is there a way for AutoMod to not trigger the same action if OP edits their post?

For example, I have it so that AutoMod will trigger a comment in the following condition:

title+body (regex, includes): ['Keyword A', 'Keyword B']

If OP makes a post with just Keyword A, it will trigger a comment. If the OP edits the post to now include Keyword B it will trigger another comment. I want it so that only one comment is triggered. How do I do this?