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)))$/

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Matches:

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

Non-matches:

• 2021-17-12
• 2021-02-30

See Also:

• Date (dd/mm/yyyy) Regular Expression
• Regular Expression To EU Date Format (DD-MM-YYYY)