IsXsDate🔗

Type: Transpilable verification function
Check that text is a valid xs:date.

We check that the text matches the pattern of xs:date, and that the day exists in the month ( e.g. , February 29th only in leap years).

See: https://www.w3.org/TR/xmlschema-2/#date

text🔗
Text to be checked
Return🔗
True if the text is a valid xs:date

Code

return matches_xs_date(text) and _is_prefix_valid_date(text)