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