Syntax of the VBA TRIM function - KING OF EXCEL

Friday, January 17, 2020

Syntax of the VBA TRIM function

There is a TRIM function in VBA as well (and it does exactly the same thing – remove extra spaces).
Why do we need a TRIM function in VBA too?
Fair question!
While you can work with the inbuilt TRIM function in Excel worksheets to get rid of spaces. in some cases, you may need to do this using VBA.
This could be as a part of a bigger code.

Syntax of the VBA TRIM function

‘String’ is the argument that can be a text string or a variable that holds a text string.
Let’s learn how to use the VBA TRIM function with a couple of examples.

Example 1 – Showing Result in a message box

Suppose you have the following text in cell A1
Excel VBA Trim Function - Examples 1 Data
Note that there are spaces before and after the sentence.
The below code would take this sentence, and show the result after trimming the extra spaces
Sub TrimExample1()
MsgBox Trim(Range("A1"))
End Sub
VBA Trim Function code result

There is one important thing to know when using the TRIM function in VBA –  it will only remove the leading and trailing spaces. It will not remove the extra spaces in between words (which the in-built TRIM function in the worksheet does).
For example, suppose you have the following text in cell A1 (with extra spaces in between words):
VBA TRIM Function - Extra spaces in between words
If I use the above VBA code, it will show a message box as shown below:
MessageBox with extra spacesAs you can see in the message box result, the extra spaces between words are not removed by the VBA TRIM function.
Then what’s the alternative?
If you want to remove leading, trailing, as well as double spaces in between words, it’s better to use the following code:
Sub TrimExample1()
MsgBox WorksheetFunction.Trim(Range("A1"))
End Sub
The above code uses the worksheet TRIM function (instead of using the TRIM function in VBA).
Note: VBA Trim function does not remove the non-whitespace characters – such as newlines (vbNewLinevbCrLf) etc.

Example 2 – Quickly Remove Leading and Trailing Spaces from a Range of Cells

Suppose you have a data set as shown below where there are leading and trailing spaces:
VBA TRIM Example 2 Dataset
You can use the below code to instantly clean this data and remove all the leading and trailing spaces:
Sub TrimExample1()
Dim Rng As Range
Set Rng = Selection
For Each Cell In Rng
Cell.Value = Trim(Cell)
Next Cell
End Sub
The above code goes through all the cells in the selection and removes the leading and trailing spaces.
Clean Data with VBA TRIM Function
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