We will discuss how to highlight text values or non-text values among an array. In the above picture I have shown an example of array which contains both text and non-text values. What you have to do when you need to highlight only text values. You have to follow some steps then.
1st step: First You have to select the whole array or the area where to highlight and go to Conditional Formatting>New Rule
2nd step: After that select Use a formula to determine which cells to format.
3rd step: Select a format to use by clicking on Format button.
4th step: Then use the formula =ISTEXT(A1)=TRUE. Here A1 is the most upper left cell or starting cell of the selected area.
Now I will show you how to highlight non-text values in arrays. You have to follow same steps like above but there will be a certain change in the formula.
You have to use this formula in Conditional Formatting to highlight non-text values.