Hey guys,
I need a small help.
In my sheet "PRODUCT" range "A1:A150" I want it to only only certain alphanumeric data.
I want it to allow only "AK1, AK2, AK3, AK4, AK5 ....... AK100" and "OR1, OR2, OR3, OR4, OR5 ..... OR100"
If a user enters anything other than this, then I dont want excel to...