Haskell Programming: Simply answer the question (Code)

[8-2 * 4 points] Give simple English descriptions for the languages of the regular expressions below d stands for [0-9 la. 1920)ldld- (0? [1-91 I [12]\d | 3[01]) #17: [1-9a-h] [0-9a-h ] * (e [+-]? [1-9]\d*) (Updated Thu 2/14) Thu 2/14) The dashes in [1-9], [0-9a-h] etc. stand for sequences: 1-9] s short for 1234567891, [1-9a-h1 is short for 123456789abcdefh1 (and [0-9a-h1 is similar but adds 0). The dashes in \dld-and (e ..) are actual dashes. (For +, the dash doesn't indicate a sequence because there's nothing to its right. Similarly, [-+] wouldn't stand for a sequence either. (It's equivalent to [ +-].) The # and : mean literally # and