I have a column which contains different Letters each with a corresponding number. I.E. (F1, F2, F3) denotes three products from the ‘F’ category, and (G1, G2, G3) denotes products from the “G” category. These “Product ID’s are all in the same column.

I have a column which contains different Letters each with a corresponding number. I.E. (F1, F2, F3) denotes three products from the ‘F’ category, and (G1, G2, G3) denotes products from the “G” category. These “Product ID’s are all in the same column.