Protein

I on a high protein diet. I got a list of stuff to eat but i just have a few questions. Which has more protein regular low fat yogurt or greek yogurt. I have to go shopping tomarrow. I getting a big jug of whey protein. I also want to get some yogurt. I not sure what to get. Any idea? I think once i get everything i need, i will be fine. I just need to drop this weight. got to lose 100 lbs. At a stand still cuz i not sure what to do.