c++之split

 

/* strtok example */
#include <stdio.h>
#include <string.h>

int main ()
{
  char str[] ="- This, a sample string.";
  char * pch;
  printf ("Splitting string \"%s\" into tokens:\n",str);
  pch = strtok (str," ,.-");
  while (pch != NULL)
  {
    printf ("%s\n",pch);
    pch = strtok (NULL, " ,.-");
  }
  return 0;
}

 

 

#include <iostream>
#include <sstream>
#include <string>
using namespace std;

int main()
{
    string s("Somewhere down the road");
    istringstream iss(s);

    do
    {
        string sub;
        iss >> sub;
        cout << "Substring: " << sub << endl;
    } while (iss);

    return 0;
}

 

 

std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems) {
    std::stringstream ss(s);
    std::string item;
    while(std::getline(ss, item, delim)) {
        elems.push_back(item);
    }
    return elems;
}


std::vector<std::string> split(const std::string &s, char delim) {
    std::vector<std::string> elems;
    return split(s, delim, elems);
}

 include string, sstream and vector

 

 

#include <vector>
#include <string>
#include <sstream>

using namespace std;

int main()
{
    string str("Split me by whitespaces");
    string buf; // Have a buffer string
    stringstream ss(str); // Insert the string into a stream

    vector<string> tokens; // Create vector to hold our words

    while (ss >> buf)
        tokens.push_back(buf);
}