find_not_first_of

How can I find a first or last character that is not a character that i am searching in a string? What kind of methods I can use in my C++ apps to find the first character equal to NONE of the characters in the given string in a std::string? How can I use find_first_not_of(), find_last_not_of() methods with strings? Modern C++ usesStrings, Wide Strings, andUnicode Stringsto…