vector<string> split_with_string(const string& str, const string& delim)
{
    vector<string> substr_vt;
    int where_delim;
    int old_offset = 0;
    string temp;

    while((where_delim = str.find(delim, old_offset)) != string::npos) {
        temp.assign(str, old_offset, where_delim - old_offset);
        if (!(temp.empty())) {
            substr_vt.push_back(temp);
        }
        old_offset = where_delim + delim.length();
        where_delim = old_offset;
    }
    temp.assign(str, old_offset, str.length() - old_offset);
    if (!(temp.empty())) {
        substr_vt.push_back(temp);
    }

    return substr_vt;
}