[ISDP] 20170518 2nd midterm 2

Question

Please design a regular expression matches a date in yyyy-mm-dd format from 1900-01-01 through 2099-12-31. You can assume that every mouth has 31 days, and you don't have to consider leap year.

Answer 1

Hidden content!
* * * ** *** * ** *** ** ** * * ** * * * * *** *** ** **** ** * * *** * * ****

Answer 2

Hidden content!
*** * ** * ** || 2]\d{1}[0 || ** * ** *** || * **** * * * ** ** ** ****** * ** * * * * $results)

Answer 3

Hidden content!
$input =~ * *** * * * *** * ****** *

Answer 4

Hidden content!
*** ***** * ** ** * * * * * * ***** *

Answer 5

Hidden content!
** *** ** * ***

Answer 6

Hidden content!
*** ** ** ** ** ** * * * ** * *** * ***

Answer 7

Hidden content!
***** **** ** * *




** *


** ** **** **
* * ** *** * **

if ** * *** *** ***** * * ****** * * * * *
{

*
** **
}


* *

Answer 8

Hidden content!
* * ****** *** * * * ** * **

Answer 9

Hidden content!
** * ** * * * * * * *** ** ** *** * **

Answer 10

Hidden content!
* * * * ** *** ** * * ******** * * *** * ** * * ** * * ***