I don't regret any of it. I learnt of AS at 29 so for me it was more of a morale boost to know WHY.
With the WHY I can now try to figure out the HOW to fight it. Knowing that i was able to deal with it when much younger without knowing gives me a lot of strength to face it forward.
Im an obsessive problem solver so this.. to me... is the grandest of things to solve
... though I do wish I could interact better with others. Being lonely sucks. Working on this one
I found out at 32 and had the same reaction. Sounds like the same thought patterns as well.