1. Give a regulos Expression for each of the follaing Innguages oves ={0,1,2} a. Strings that contain the substring "O12". A stengs s is a subseyuerice of a string t if s's cheraters occor in t. in a continuws or der. For exanple, "00120" is whid, but " 01120 " is invalid. b. Strings the cuatain the sobsequsse "012" A string s is a subequence of a string t if s's character occur in t in the same order bot they are nat required to be certinuous. For exanple, "bo120" and "01120" ase valid, bot " 0210" is inulid