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VBScript IsDate Function

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The IsDate function returns a Boolean value that indicates if the evaluated expression can be converted to a date. It returns True if the expression is a date or can be converted to a date; otherwise, it returns False.

Note: The IsDate function uses local setting to determine if a string can be converted to a date ("January" is not a month in all languages.)

Syntax

IsDate(expression)

Parameter Description
expression Required. The expression to be evaluated

Example 1

document.write(IsDate("April 22, 1947") & "<br />")
document.write(IsDate(#11/11/01#) & "<br />")
document.write(IsDate("#11/11/01#") & "<br />")
document.write(IsDate("Hello World!"))

Output:

True
True
False
False

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