1 Regexp: a{2,3} 2 a: Fail 3 aa: Ok 4 aaa: Ok 5 aaaa: Fail 6 Regexp: ba{2,3}c 7 bac: Fail 8 baac: Ok 9 baaac: Ok 10 baaaac: Fail 11 Regexp: a(b|c){2,3}d 12 abcd: Ok 13 acccd: Ok 14 abd: Fail 15 accccd: Fail 16