Count Alpha In AlphaNumeric Text

[S M C]

To find the number of Alpha characters (A-Z) in a text, you could use the following formula, where A1 contains your text

=SUMPRODUCT(LEN(A1)-LEN(SUBSTITUTE(UPPER(A1),CHAR(ROW(INDIRECT("65:90"))),"")))

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[Admin]

With a slight modification, you can also use this to count the number of numeric characters in your alphanumeric text

=SUMPRODUCT(LEN(A1)-LEN(SUBSTITUTE(UPPER(A1),CHAR(ROW(INDIRECT("48:58"))),"")))