Question

How to a split string in C++

Answer 1

#include <iostream>

int main() {
 
    std::string str = "c++ c c# javascript python";

    std::string str1 = str.substr(9, 4); 
    std::cout << str1 << '\n';
    
    std::string str2 = str.substr(0, 5); 
    std::cout << str2 << '\n';
}
 
 
 
 
 
/*
run:
 
java
c++ c
 
*/

 

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Answer 2

#include <vector>
#include <iostream>
#include <sstream>
    
std::vector<std::string> &split(const std::string &s, 
                                char delimiter, 
                                std::vector<std::string> &vec) {
    std::stringstream ss(s);
    std::string str;
     
    while(std::getline(ss, str, delimiter)) {
        vec.push_back(str);
    }
     
    return vec;
}
 
void printVector(std::vector<std::string> const &v) {
    for (auto const &s: v) {
        std::cout << s << "\n";
    }
}
    
int main() {
    std::string str = "c++;php;java;c;python;c#;javascript;go";
     
    std::vector<std::string> vec;
     
    split(str, ';', vec);
     
    printVector(vec);
     
}
    
    
    
    
    
/*
run:
 
c++
php
java
c
python
c#
javascript
go
       
*/

 

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Answer 3

#include <iostream>
#include <sstream>

int main() {
    std::string str = "c++ php java c python c# javascript go";
    
    std::stringstream ss(str);  
    std::string word;
    
    while (ss >> word) { 
        std::cout << word << "\n";
    }
}
   
   
   
   
   
/*
run:

c++
php
java
c
python
c#
javascript
go
      
*/

 

 

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