When I'm playing on line poker and this happens to me, I think I've folded a monster pre flop after seeing flop, is such regret valid? I ask this because on line poker RNG's may or may not keep shuffling during play, probably thousands of times per second. In fact I think they do simply because it's easier that way. So, the other day I folded Q4 pre flop, on line poker. The flop came 444. But, had I been in the pot there is absolutely no way the flop would have come out that way because the cards would keep shuffling, the extra seconds my involvement in the pot caused would have shuffled the cards thousands of times. So, LIVE poker, definitely lots of regrets folding post flop monsters. On Line poker, none, the cards keep shuffling.