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Showing content from https://www.tutorialspoint.com/cpp_standard_library/cpp_string_cbegin.htm below:

C++ String cbegin Function

It return const_iterator to beginning.

Following is the declaration for std::string::cbegin.

const_iterator cbegin() const noexcept;

const_iterator cbegin() const noexcept;

none

It returns a const_iterator to the beginning of the string.

Never throw any exceptions.

In below example for std::string::cbegin.

#include <iostream>
#include <string>

int main () {
   std::string str ("Tutorials Point");
   for (auto it=str.cbegin(); it!=str.cend(); ++it)
      std::cout << *it;
   std::cout << '\n';

   return 0;
}

The sample output should be like this −

Tutorials Point 

string.htm

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