I need to count the occurrence of a string that would be contained in text in a column.
For example, in column J, starting at cell 1,

J
1 x1 x4
2 x1 x2 x3
3 x2 x5
4 x3 x4 x6

(For example, cell J1 equals the text string "x1 x4".)

So, the answer to the number of times the string ''x4' occurs in J1:J4 is 2.

Is it even possible for this type of counting to be performed with an Excel formula?
How???

Thanks,

-Bill.