Replace Text with other text

I'll explain it to you in more detail, My data source comes from Google Analytics:



Then I create a Custom Column to extract the data I need with a lookupvalue:


This is the data source that contains the search column:


And the visualization (matrix) is this:


Now, what I need is for all that text to be replaced by this:

Note: This text is in the same table as the replacetext_3 image.