What are the Differences Between C++ Char*, std:string, and Char[]? - Scaler Topics
Strings in C++ and How to Create them? - GeeksforGeeks
C++ Program to Toggle Character Cases in a String
Convert Char to String in C++ with Examples | FavTutor
C++ Program to Convert String to Lowercase
String Concatenation in C++: 4 Ways To Concatenate Strings | DigitalOcean
std::string::append vs std::string::push_back() vs Operator += in C++ - GeeksforGeeks
c++ - Store non-English string in std::string - Stack Overflow
how to solve the problem about:cannot convert 'std::string {aka std ::basic_string<char>}' to 'const char*' for argument '1' to 'char* strptime(const char*, const char*, tm*)' | Qt Forum
C++ Program to Convert String to Array of Characters - Studytonight
CString and std::string Integration - CodeProject
c++ - std::string difference in output when use c+=expression and c=c+expression - Stack Overflow
String Concatenation in C++
String to Char Array C++
ISO C++ forbids converting a string constant to char* - DEV Community
Char array to string in C++ - javatpoint
C++ 文字列クラス std::string 入門
effiently convert qstring to std::string or char | Qt Forum