>Hello All!
>
>Is there any way to test whether a date constant/string is a valid date ?
>
>For example, if a constant is assembled as follows :-
>
>{^2001/06/31}
>
>Clearly, this is an invalid date as there are only 30 days in June. To test whether a date string is valid, I could set up an error handler and subject this date string/constant to a date calculation. If it fails, then it is trapped and I have an invalid date.
>
>However, is there a way to do this without an error handler, just using this value in some form of expression that returns True/False or a DateValue/EmptyDateValue or similar ?
>
>Any tips much appreciated.

Gary, even though Jill gave you a command that works, you could just check your constant for being empty:

? EMPTY({^2001/06/31})