Thread: token

  1. #1
    Registered User
    Join Date
    Jan 2002


    is there any function in c++ which is the same as strtok() function in c,if there is can u give a simple example

  2. #2
    Crazy Fool Perspective's Avatar
    Join Date
    Jan 2003
    strtok() can be used in c++ the same way its used in c
    just include <cstring>

  3. #3
    Registered User Cela's Avatar
    Join Date
    Jan 2003
    If you mean with C style strings then you can just use strtok in <cstring>, if you mean with the string class then you can do something like this
    #include <iostream>
    #include <string>
    string bad_char = " ";
    string next_token(string& s, string::size_type& pos)
      size_t begin = s.find_first_not_of(bad_char, pos);
      size_t end = s.find_first_of(bad_char, begin);
      pos = end;
      if (begin == string::npos)
        return string();
      else if (end == string::npos)
        return s.substr(begin);
        return s.substr (begin, end - begin);
    int main()
      string::size_type pos = 0;
      string s = "Breaking up a string";
      string t;
      while (!(t = next_token(s, pos)).empty())
        cout<< t <<endl;

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