remove first element from string c++ code example

Example 1: removing a character from a string in c++

#include<iostream>
#include<algorithm>

using namespace std;
main() {
   string my_str = "ABAABACCABA";

   cout << "Initial string: " << my_str << endl;

   my_str.erase(remove(my_str.begin(), my_str.end(), 'A'), my_str.end()); //remove A from string
   cout << "Final string: " << my_str;
}

Example 2: remove or erase first and last character of string c++

str.pop_back(); // removes last /back character from str
str.erase(str.begin()); // removes first/front character from str