7. (15) Use English to describe what strings are represented by the regular expression (in classical form)(e|a|b)^? 8. (15) Given an input (x+y5) *5 /* This is a comment */ 2x, what are the tokens recognized by the DFA in Page 12 of the slides (for regular expressions)? 7. (15) Use English to describe what strings are represented by the regular expression (in classical form)(e|a|b)^? 8. (15) Given an input (x+y5) *5 /* This is a comment */ 2x, what are the tokens recognized by the DFA in Page 12 of the slides (for regular expressions)