libcgi-untaint-date-perl | CGI::Untaint::date - validate a date | Mehr ...
This input handler for CGI::Untaint verifies that it is dealing with a reasonable date. Reasonably means anything that Date::Manip thinks is sensible, so you could use any of (for example): "December 12, 2001" "12th December, 2001" "2001-12-12" "next Tuesday" "third Wednesday in March"
