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