VBS Tutorial: function-IsNumeric Function

IsNumeric Function

Returns a Boolean value to indicate whether the expression value is a number.

IsNumeric (Expression)

ExpressionThe parameter can be any expression.

Description

If the entireExpressionRecognized as a number,IsNumericFunction returnTrueOtherwise, the function returnsFalse. IfExpressionIs a date expression,IsNumericFunction returnFalse.

The following example usesIsNumericThe function determines whether a variable can be used as a value:

Dim MyVar, MyCheckMyVar = 53'Assign values.MyCheck =IsNumeric (MyVar)'ReturnTrue.MyVar = "459.95 "'Assign values.MyCheck =IsNumeric (MyVar)'ReturnTrue.MyVar = "45 Help "'Assign values.MyCheck =IsNumeric (MyVar)'ReturnFalse.