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VBA IsNumeric

IsNumber an excel function is used for identifying whether the cell content is a number or not. A numeric value can be a whole value or integer. An IsNumeric function can also be performed in VBA as well. In VBA this is available with the name “IsNumeric“. IsNumeric works in the same manner as IsNumber does. It analyzes the cell value and returns the answer whether it is a number or not.

IsNumeric considers only Boolean, which only gives result in the form of TRUE and FALSE.

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Syntax of IsNumeric in Excel VBA

VBA IsNumeric has the following syntax in VBA:

How to Use Excel VBA IsNumeric?

We will learn how to use a VBA IsNumeric with few examples in excel.

You can download this VBA IsNumeric Excel Template here – VBA IsNumeric Excel Template

VBA IsNumeric – Example #1

Let’s see an easy example where we will select a cell with any content and in a separate cell, we will see whether cell content is a Number or Not.

Step 2: Write a Subcategory in the name of a performed function or in any other name as shown below.

Code:

Sub

VBA_Isnumeric1()

End Sub

Step 3: Now we will use the If-Else loop for this complete condition. For this open and close If bracket as shown below.

Code:

Sub

VBA_Isnumeric1()

End If

End Sub

Step 4: Now in If write and select IsNumeric function and select any Range cell from where we will analyze the content. Here we have selected cell A1 as TRUE.

Code:

Sub

VBA_Isnumeric1()

IsNumeric(Range("A1")) =

True Then

End If

End Sub

Step 5: If cell value at cell A1 is TRUE it means it is a number then we can choose writing any sentence in cell B1 which will say “It is a Number” or put any text as per your choice.

Code:

Sub

VBA_Isnumeric1()

IsNumeric(Range("A1")) =

True Then

Range("B1") = "It is a Number"

End If

End Sub

Step 6: Now in Else line of code consider writing what we could see when IF condition doesn’t work. We are selecting cell B1 where we will see the output statement of cell A1 as “It is not a Number” as shown below.

Code:

Sub

VBA_Isnumeric1()

IsNumeric(Range("A1")) =

True Then

Range("B1") = "It is a Number"

Else

Range("B1") = "It is not a Number"

End If

End Sub

Step 7: Once done then compile and run the complete code. As we can see in the below screenshot for the cell content A1 we got the statement as “It is a Number” in cell B1.

Step 8: Now let’s replace 10 in cell A1 with a text like “Test” and see what we get.

Step 9: Now again run the complete code.

As we can see in the above screenshot, for the cell content A1 we got the statement as “It is not a number” for content “Test” which means cell A1 doesn’t have a number in it.

VBA IsNumeric – Example #2

Step 1: Write a Subcategory in the name of a performed function as shown below.

Code:

Sub

VBA_IsNumeric2()

End Sub

Step 2: Now define a dimension “DIM” as A and assign it to Double. We can assign it as Integer or Long too. But that would only consider whole numbers and long text/numbers. Double is used where we are expecting to get numbers in decimal forms.

Code:

Sub

VBA_IsNumeric2()

Dim

As Double

End Sub

Step 3: Now define one more dimension “DIM” as X. And assign it as Boolean. We can consider any word, name or alphabet for defining dimensions in VBA.

Code:

Sub

VBA_IsNumeric2()

Dim

As Double

Dim

As Boolean

End Sub

Step 4: Now for Dim A double, first assign the value as 10 which is a whole number.

Code:

Sub

VBA_IsNumeric2()

Dim

As Double

Dim

As Boolean

A = 10

End Sub

Step 5: Now for Boolean X, use IsNumeric function and assign defined Double A into the brackets of IsNumeric. By doing this IsNumeric will fetch the value stored in Dim A and analyze whether that value is a number or not.

Code:

Sub

VBA_IsNumeric2()

Dim

As Double

Dim

As Boolean

A = 10 X = IsNumeric(A)

End Sub

Code:

Sub

VBA_IsNumeric2()

Dim

As Double

Dim

As Boolean

A = 10 X = IsNumeric(A) MsgBox "The expression(10) is numeric or not : " & X, vbInformation, "VBA IsNumeric Function"

End Sub

Step 7: Once done compile and run the code.

As we can see a pop-up dialog box in the above image, the expression(10) is a TRUE numeric value.

Step 8: Now let’s change the value and put some decimal value in IsNumeric as shown below and see what output we get. Here we have to change the value of A as 10.12 and updated the message box with expression(10.12).

Code:

Sub

VBA_IsNumeric2()

Dim

As Double

Dim

As Boolean

A = 10.12 X = IsNumeric(A) MsgBox "The expression(10.12) is numeric or not : " & X, vbInformation, "VBA IsNumeric Function"

End Sub

Step 9: Now again compile and run the complete code.

We will again get TRUE for the value 10.12 which is a decimal value.

Step 10: Now let’s see if the current defined syntax of IsNumeric still works for other than numbers or not. For this, we need to change the Dim A as String which means we will be entering the Text value here. And change value entered for A. We have considered sample value as “ABC”. Make all necessary changes in related fields where we can place text instead of numbers and keep the rest of the things as it is.

Code:

Sub

VBA_IsNumeric2()

Dim

As String

Dim

As Boolean

A = ABC X = IsNumeric(A) MsgBox "The expression('ABC') is numeric or not : " & X, vbInformation, "VBA IsNumeric Function"

End Sub

Step 11: After that compile and run the complete code.

Pros of Excel VBA IsNumeric

It is so easy to apply IsNumeric in VBA. It is as simple as applying Isnumber through insert function.

IsNumeric and IsNumber give the same result.

Cons of Excel VBA IsNumeric

Applying example-2 where we need to insert text makes the simple process lengthy.

Things To Remember

Recording a macro is also a way to perform IsNumeric function in VBA.

Save the file in Macro-Enabled Excel, This is the best way to avoid losing written code.

Best way to avoid any error while running the code is to first compile the complete code before we fix it as final.

Assigning the created code into a button is also a way to perform created macro quickly, this saves time.

If you are applying IsNumeric by example-2 method then remember to keep text in the single quote (‘Text’) otherwise it will give an error.

As IsNumeric in VBA is used, in excel it used in the name of IsNumber.