[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

內容已隱藏
* **** * *** * * ***** *** * ** * *** ** * **** * ** * ** ** ***

Answer 2

內容已隱藏
* * * ** * ** || 2]\d{1}[0 || * ** ** || * * * * * * * *** * * * ** * * *** $results)

Answer 3

內容已隱藏
$input =~ * *** **** **** ** * * *** * * * * * *

Answer 4

內容已隱藏
*** * * ** ** * *** * * * ******** **

Answer 5

內容已隱藏
* *** ** ** ** * *** * * ***

Answer 6

內容已隱藏
* * * * * *** * * *** ***** ** *** ***** * ** ***

Answer 7

內容已隱藏
**** * * * * *




** * *


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

if * ** * **** * * ** ** * *** * *** * ***
{
** **
* *
* **
}


*

Answer 8

內容已隱藏
**** * * * ** * *** * *** *

Answer 9

內容已隱藏
* *** * *** ** **** ******* * ** * ** * ** * ***** *

Answer 10

內容已隱藏
* ** ** **** * * * * * ** * * * *** **** ********* * ***** *** *