What are the basics of std::string in C++?

What are the basics of std::string in C++?

The std::string class in C++ is part of the Standard Library and is used to represent and manipulate strings. It provides various functions for string operations like concatenation, comparison, and searching.

How do I concatenate two std::strings?

You can concatenate two std::string objects using the + operator or the append() method. For example: std::string str1 = "Hello"; std::string str2 = " World!"; std::string result = str1 + str2;.

What methods can I use to find a substring?

You can use the find() method to locate a substring within a std::string. It returns the index of the first occurrence or std::string::npos if not found. For example: size_t pos = str.find("substring");.

Can I convert a std::string to a C-style string?

Yes, you can convert a std::string to a C-style string using the c_str() method. For example: const char* cstr = str.c_str();.