I dont know what to do.

I did something Im not sure If I regret it or not. On one hand, I feel disgusting and horrible, But on the other, It felt good, and I got this newfound confidence. I have mixed feelings about this. I know I will probably regret this later in life, since I'm only 15, but didnt everyone do this at one point in their lives? Even if not everyone did it, I know most people have.I kind of need youre opinion on this, but I know I cant say what I did. I just know its bad.