Count specific characters in a cell - Excel

Question

I would like to count all special characters (!%_*?+-,) in a cell.

For example:

With this formula =LEN(D2)-LEN(SUBSTITUTE(D2;\"!\";\"\")) i

Answer 1

=8*LEN(D2)-LEN(SUBSTITUTE(D2;"!";""))-LEN(SUBSTITUTE(D2;"%";""))-LEN(SUBSTITUTE(D2;"_";""))-LEN(SUBSTITUTE(D2;"*";"")) -LEN(SUBSTITUTE(D2;"?";""))-LEN(SUBSTITUTE(D2;"+";""))-LEN(SUBSTITUTE(D2;"-";""))-LEN(SUBSTITUTE(D2;",";""))