Date (YYYY-MM-DD) Regular Expression

A regular expression to match a valid date in the format YYYY-MM-DD. Date & Month validation is included.

/^[0-9]{4}-(((0[13578]|(10|12))-(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)-(0[1-9]|[1-2][0-9]|30)))$/

Matches:

  • 2021-12-17
  • 2020-02-29
  • 1002-03-04

Non-matches:

  • 2021-17-12
  • 2021-02-30

See Also: