IsNumeric Function

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Returns a Boolean value indicating whether an expression can be evaluated as a number.

Syntax

IsNumeric(expression)

Remarks

The expression argument can be any expression.

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 whether 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.

Requirements

Version 1

See Also

IsArray Function
IsDate Function
IsEmpty Function
IsNull Function
IsObject Function
VarType Function