I need a formula that counts duplicates in a specific column and returns the number of duplicates. For instance: I need the formula to go through column be and tell me that there are 2 values that are duplicated. Does not matter how many times they are duplicated, just need it to return the value of 2.
Column B:
12312
12318
12392
19232
12312
16782
12312
12318
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