You are confusing the position of being anti-fascist and certain groups which claim the moniker Antifa, both of which are labelled as “antifa”. Don’t. It ends up with you condemning the every day decent people who are anti-fascist who protest fascists.
I’ve been to plenty of demonstrations, and one thing is patently clear: Nazis attack everyone, Antifa attack nazis. If that sounds like the same thing to you, I can’t help you, and it would say an awful lot about how you see yourself in relation to these two sides.