Finds and counts all regular expression matches
CountMatchesRegexp("MAC", "[A-Z]") → 3 CountMatchesRegexp("1234", "[5-9]") → 0
CountMatchesRegexp(string, searchRegexp, [isCaseSensitive])
string - A text value to search in
string
searchRegexp - A regular expression to search for
searchRegexp
[isCaseSensitive] - [optional: true by default**]** - Set false if search should be case insensitive
[isCaseSensitive]
true
false