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MS Excel: ISNUMERIC Function (VBA)

Learn how to use the Excel ISNUMERIC function with syntax and examples.

Description

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

Syntax

The syntax for the Microsoft Excel ISNUMERIC function is:

IsNumeric( expression )

Parameters or Arguments

expression is a variant.

Applies To

The ISNUMERIC function can be used in the following versions of Microsoft Excel:

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

Type of Excel Function

The ISNUMERIC function can be used in Microsoft Excel as the following 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) would return TRUE
IsNumeric("Tech on the Net") would return FALSE
IsNumeric("234") would return TRUE
IsNumeric("123abc") would return 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.