I'm going to immediately go no-contact with my now ex-girlfriend after she admitted to cheating
I'm sorry she did that to you. How do you feel about your ex-girlfriend cheating on you?
I'm angry that she lied to me about the cheating and she's disloyal.
I think it's perfectly reasonable that you don't want talk to your ex-girlfriend because she cheated on you and lied about it. It's hurtful to be cheated on and lied to, so if not talking to her makes you feel better, then that's what you should do.
I have no regrets because we are over and I'm moving on to bigger and better things.
That sounds like a great plan! I'm sure you'll find someone who will be more faithful and honest to you.