"Mistakes?
I've had a few
but then again
too few to mention."
Frank Sinatra :

Talking of 'mistakes', you can't get away with misquoting lyrics on a music site:
"Regrets, I've had a few"
And while it was sung by Sinatra, the words aren't his:
Songwriters: Claude Francois / Gilles Thibaut / Jacques Revaux / Paul Anka