in excel, I want to count the number of cells that do not contain a specific character (in this case, a "." /period).
I tried something like countif(A1:A10,"<>.*") but this is wrong and I can't seem to figure it out.
Say I have these data in column A:
D
N
P
.
.
A
N
.
P
.
And the count would be 6