| Title |
Test
Find
Pattern Title
|
| Expression |
^(((((0[1-9])|(1\d)|(2[0-8]))/((0[1-9])|(1[0-2])))|((31/((0
[13578])|(1[02])))|((29|30)/((0[1,3-9])|(1[0-2])))))/((000
[1-9])|(00[1-9][0-9])|(0[1-9][0-9][0-9])|([1-9][0-9][0-9]
[0-9]))|(29/02/(([0-9][0-9](([02468][48])|([2468][048])|
([13579][26])))|((([02468][48])|([2468][048])|([13579]
[26]))00))))$ |
| Description |
Checks for years 0001-9999.
Checks leap year corectly (0004,0400,0040)
Can use / as separators or can replace it.
Easy to understand and can be modified easily for mm/dd/yyyy or yyyy/dd/mm or mm-dd-yy or to any date format. |
| Matches |
29/02/0400 | 01/01/0001 | 31/12/9999 |
| Non-Matches |
29/2/0400 | 1/01/0001 | 29/02/5555 |
| Author |
Rating:
Isha
|
| Source |
A modified version of Jörg Maag's regular expression |
| Your Rating |
|
