Finds and counts all string matches
CountMatches("WINDOWS", "W") → 2 CountMatches("1 2 3 4 5 6", 7) → 0
CountMatches(string, search, [isCaseSensitive])
string - A text value to search in
string
search - A text value to search for
search
[isCaseSensitive] - [optional: true by default**]** - Set false if search should be case insensitive
[isCaseSensitive]
true
false