Date & Time Definition

Matches a date in the format dd/mm/yyyy , dd-mm-yyyy or dd.mm.yyyy & hh:mm and hh:mm:ss in both 12-hour and 24-hour formats.

• RegEx

(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[13-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})

Example:
01/07/2002
03-05-1998
21.11.2020

• RegEx

Hours and minutes, 12-hour clock

^(1[0-2]|0?[1-9]):([0-5]?[0-9])(?[AP]M)?$

Hours and minutes, 24-hour clock

^(2[0-3]|[01]?[0-9]):([0-5]?[0-9])$

Hours, minutes, and seconds, 12-hour clock

^(1[0-2]|0?[1-9]):([0-5]?[0-9]):([0-5]?[0-9])(?[AP]M)?$

Hours, minutes, and seconds, 24-hour clock

^(2[0-3]|[01]?[0-9]):([0-5]?[0-9]):([0-5]?[0-9])$