string.listValueCountNoCase()
Counts instances of a specified value in a list. The search is case-insensitive.
string.listValueCountNoCase( list, value [, delimiter [, includeEmptyFields ] ] )
Returns: Number
Counts instances of a specified value in a list. The search is case-insensitive.
string.listValueCountNoCase( list, value [, delimiter [, includeEmptyFields ] ] )
Returns: Number