1.Rewrite the productions for each of the following nonterminals as right regular grammars: Identifier, Float.
2. Draw a DFSA for identifiers that contain only letters and digits, where the identifier must have at least one letter, but it need not be the first character. Hint: everything to the left of the leftmost letter must be a digit.
3.For C-style / * . . . * / comments, give:
a right regular grammar,
a regular expression,
a DFSA