8.4.38 IsDate Function

Returns a Boolean value indicating whether an expression can be converted to a date.
Syntax
IsDate(expression)
Arguments
- expression
- Any date expression or string expression recognizable as a date or time.
Remarks
IsDate returns True if the expression is a date or can be converted to a valid date; otherwise, it returns False. In Microsoft Windows, the range of valid dates is January 1, 100 AD through December 31, 9999 AD; the ranges vary among operating systems.
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