1 input test1234 2 return 0 3 len 8 4 output test1234 5 6 input test[abcfoobar]2211 7 return 0 8 len 19 9 output test[abcfoobar]2211 10 11 input bar[aaa][bbbb]sss 12 return 0 13 len 17 14 output bar[aaa][bbbb]sss 15 16 input kmod[p.b]lib 17 return 0 18 len 12 19 output kmod[p.b]lib 20 21 input [az]1234[AZ] 22 return 0 23 len 12 24 output [az]1234[AZ] 25 26
