2. Write a regular expression for the following? a) Input alphabet- 0,13; accepts set of all the strings that start with 10 or 01, b Input alphabet - (a,b; accepts set of all the strings of length at 2 for which final two input symbols are same. c Input alphabet - fa,b; accepts set of all the strings with odd number of a's. d) Input alphabet-a-z.) accepts all the URL's e) Give regulrxpressions for the following languages on alphabet - la, b,c), for all srings containing exactly one a