+ /// find_last_not_of - Find the last character in the string that is not
+ /// \arg C, or npos if not found.
+ size_type find_last_not_of(char C, size_t From = npos) const;
+
+ /// find_last_not_of - Find the last character in the string that is not in
+ /// \arg Chars, or npos if not found.
+ ///
+ /// Note: O(size() + Chars.size())
+ size_type find_last_not_of(StringRef Chars, size_t From = npos) const;
+