IsDate
Returns True if the expression is a date or is recognizable as a valid date or time; otherwise, False.
Syntax: IsDate( expression )
- expression
- required A Variant containing a date expression, or a string expression recognizable as a date or time.
The range of valid dates is January 1, 100 A.D. through December 31, 9999 A.D.
Example
This example uses IsDate to determine whether an expression is recognized as a date or time value.
vb
Dim MyVar As Variant
Dim MyCheck As Boolean
MyVar = "04/28/2014" ' Valid date.
MyCheck = IsDate(MyVar) ' True.
MyVar = "April 28, 2014" ' Valid date.
MyCheck = IsDate(MyVar) ' True.
MyVar = "13/32/2014" ' Invalid date.
MyCheck = IsDate(MyVar) ' False.
MyVar = "04.28.14" ' Valid time format on some locales.
MyCheck = IsDate(MyVar) ' True.