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CPP

string substr c++

s.substr(pos,len);
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substring in C++

// CPP program to illustrate substr()
#include <string.h>
#include <iostream>
using namespace std;
  
int main()
{
    // Take any string
    string s1 = "Geeks";
  
    // Copy three characters of s1 (starting 
    // from position 1)
    string r = s1.substr(1, 3);
  
    // prints the result
    cout << "String is: " << r;
  
    return 0;
}
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substr in cpp

// CPP program to illustrate substr()
#include <string.h>
#include <iostream>
using namespace std;
 
int main()
{
    // Take any string
    string s1 = "Geeks";
 
    // Copy two characters of s1 (starting
    // from position 3)
    string r = s1.substr(3, 2);
 
    // prints the result
    cout << "String is: " << r;
 
    return 0;
}
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Substring in c++

#include <string>
#include <iostream>

int main() {
  std::string innerPlanets{"Mercury Venus Earth Mars"};

  // Copy 5 characters from position 8
  std::cout << innerPlanets.substr(8, 5) << "
";

  size_t begin = innerPlanets.find("Earth");
  // Copy characters from "Earth" to the end of the string
  std::cout << innerPlanets.substr(begin);
}
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cpp substring

#include <iostream>
#include <string>

using namespace std;

void cpp_strings()
{
    string unformatted_full_name { "StephenHawking" };

    string first_name = unformatted_full_name.substr(0, 7);
    // string first_name { unformatted_full_name, 0, 7 };
    string last_name = unformatted_full_name.substr(7, 7);
    string formatted_full_name = first_name + last_name;

    formatted_full_name.insert(7, " ");
    cout << formatted_full_name;
}

int main()
{
    cpp_strings();
    return 0;
}
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substring function in c++

string sub_string=main_string.substr(first_pos_of_the_substring_from_main_string,length_of_the_substring_from_main_string_starting_from_the_first_position
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substr in cpp

String is: ks
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