String Utilities

vector<string> Split(const string &s, char delim) {
  vector<string> result;
  stringstream ss(s);
  string item;

  while (getline(ss, item, delim)) {
    result.push_back(item);
  }

  return result;
}


vector<string> Split (string s, string delimiter) {
    size_t pos_start = 0, pos_end, delim_len = delimiter.length();
    string token;
    vector<string> res;

    while ((pos_end = s.find (delimiter, pos_start)) != string::npos) {
        token = s.substr (pos_start, pos_end - pos_start);
        pos_start = pos_end + delim_len;
        res.push_back (token);
    }

    res.push_back (s.substr (pos_start));
    return res;
}