virtual protected member function
const charT* do_scan_not (mask m, const charT* low, const charT* high) const;

Return first character not in category [virtual]

Virtual protected member function in charge of returning the first character in [low,high) that does not match category m, as described in public member function scan_not (see ctype::scan_not for details).

Polymorphic derived classes can redefine the behavior of this function.

See also