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