How to use the ISNUMERIC Function (VBA)

Description

The Microsoft Excel ISNUMERIC function returns TRUE if the expression is a valid number. Otherwise, it returns FALSE.

Syntax

The syntax for the ISNUMERIC function in Microsoft Excel is:

IsNumeric( expression )

Parameters or Arguments

expression

It is a variant to be evaluated as a number.

Applies To

• Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000

Type of Function

• VBA function (VBA)

Example (as VBA Function)

The ISNUMERIC function can only be used in VBA code in Microsoft Excel.

Let's look at some Excel ISNUMERIC function examples and explore how to use the ISNUMERIC function in Excel VBA code:

IsNumeric(786)
Result: TRUE

IsNumeric("Tech on the Net")
Result: FALSE

IsNumeric("234")
Result: TRUE

IsNumeric("123abc")
Result: FALSE

For example:

Dim LValue As Boolean

LValue = IsNumeric("Tech on the Net")

In this example, the variable called LValue would contain FALSE as a value.