I AM WORKING WITH POSTCODES. FOR EXAMPLE I HAVE 10 POSTCODES WHICH I'M TRYING TO CLASSIFY IN REGIONS.. I AM TRY TO CREATE A FORMULA LIKE THIS
IF(SUM(COUNTIF(A2,{"*M13*","*PR7*"})),"NW","")
THIS ONLY GIVES ME THE CLASSIFICATION FOR NW... HOW CAN I MAKE IT THAT A12, B23 IS SW AND C34, C35, C40 = SE
Solved by I. J. in 17 mins