by Sai gowtham

Gettting the last character of a string in C++

In this tutorial, we are going to learn about how to get the last character of a string in C++.

Consider, we have the following string.

string car = "benz";

Now, we want to get the last character z from the above string.

Getting the last character

To access the last character of a string, we can use the built-in back() function in C++

Here is an example, that gets the last character z from the following string:

#include <iostream>
#include <string.h>
using namespace std;

int main()
{
    string car = "benz";
    char lastCharacter = car.back(); //returns last character
    cout<< lastChar;
    return 0;
}

Output:

"z"

Similarly, we can use the subscript [] syntax by passing string.length()-1 which is the index of a last character.

#include <iostream>
#include <string.h>
using namespace std;

int main()
{
    string car = "benz";
    char lastCharacter= car[car.length()-1];
    cout<< lastCharacter;
    return 0;
}

Note: The length() function returns the total number of characters in a given string, so we are subtracting it with -1 to get the last character index.

or we can also use the rbegin() function to access the last character of a string like this.

char lastCharacter = *car.rbegin();

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