Microsoft® Visual Basic® Scripting Edition
IsNumeric Function
 Language Reference 
Version 1 

See Also


Description
Returns a Boolean value indicating whether an expression can be evaluated as a number.
Syntax
IsNumeric(expression)

The expression argument can be any expression.

Remarks
IsNumeric returns True if the entire expression is recognized as a number; otherwise, it returns False. IsNumeric returns False if expression is a date expression.

The following example uses the IsNumeric function to determine whehter a variable can be evaluated as a number:

Dim MyVar, MyCheck
MyVar = 53                    ' Assign a value.
MyCheck = IsNumeric(MyVar)    ' Returns True.

MyVar = "459.95"              ' Assign a value.
MyCheck = IsNumeric(MyVar)    ' Returns True.

MyVar = "45 Help"             ' Assign a value.
MyCheck = IsNumeric(MyVar)    ' Returns False.