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