I really need help here.

I need to count how many times a number or portion of that number is in a
specific cell. IE: A1 is 101 I need to know how many times 10 or a portion
of 10 is in that number. The answer in this case would be 11. If the
value of A1 is 90 the answer would be 9.

Can anyone help??

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John Chaput