CitectVBA Programming Reference > CitectVBA Function Reference > Declarations > IsNumeric

IsNumeric

Determines if a variant can be evaluated as a number.

The required Exp argument is a variant containing a numeric expression or string expression that can be evaluated as a number.

IsNumeric returns False if Exp is a date expression.

Syntax

IsNumeric(Exp)

Exp

A valid string, number or Variant containing a value recognizable as a string or number.

Return Value

Returns a Boolean True or False.

Related Functions

IsDate | IsEmpty | IsNull | VarType

Example

Dim TestVar    ' Declare variable.
TestVar = InputBox("Please enter a number, letter, or symbol.")
If IsNumeric(TestVar) Then ' Evaluate variable.
MsgBox "Entered data is numeric." ' Message if number.
Else
MsgBox "Entered data is not numeric." ' Message if not.
End If

Published June 2018