I need to create a code that counts how many time a particular codes appears in a field

I have the below string of codes in one quickbase field: 80346,80329,80346,80371,80346,80335,80324,80346,80369,80332,80332,80356,80361,80361,80361,80361,80354,80358,80372,80329,80324,80367,80355,80...