[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!
** ** * ** ** ***** * * * *** * ** * * * **** * **** ** * *