Regular Expression Library - Expressions in category: Dates and Times

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Regular-Expressions.info - Regex Tutorial, Examples and Reference - Regexp Patterns

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ISO Date Validation RegEx

ISO Date Validation RegEx « Infovark Underground

ISO date
^(\d{4})\D?(0[1-9]|1[0-2])\D?([12]\d|0[1-9]|3[01])$

ISO time
^([01]\d|2[0-3])\D?([0-5]\d)\D?([0-5]\d)?\D?(\d{3})?$

ISO offset
^([zZ]|([\+-])([01]\d|2[0-3])\D?([0-5]\d)?)?$

ISO date and time
^(\d{4})\D?(0[1-9]|1[0-2])\D?([12]\d|0[1-9]|3[01])(\D?([01]\d|2[0-3])\D?([0-5]\d)\D?([0-5]\d)?\D?(\d{3})?)?$

ISO date, time, and offset (the works)
^(\d{4})\D?(0[1-9]|1[0-2])\D?([12]\d|0[1-9]|3[01])(\D?([01]\d|2[0-3])\D?([0-5]\d)\D?([0-5]\d)?\D?(\d{3})?([zZ]|([\+-])([01]\d|2[0-3])\D?([0-5]\d)?)?)?$

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