ISREF
See also A-Z Spreadsheet Function List
Description Determines if the specified expression is a range reference.
Syntax ISREF(expression)
expression is any expression.
Remarks If the expression returns a range reference, True is returned. Otherwise, False is returned.
See Also ISBLANK , ISERR , ISERROR , ISLOGICAL , ISNA , ISNONTEXT , ISNUMBER , and ISTEXT functions
Example ISREF(A3) returns True