string jamo = "[\\x{3131}-\\x{318E}]";
    string syllable = "[\\x{AC00}-\\x{D7A3}]";
    string not_syllable = "[^\\x{AC00}-\\x{D7A3}]";

    string paren = "\"";
    string not_paren_all = "[^"+paren+"]*";

    string const_str = paren + not_paren_all + syllable + not_paren_all + paren;
    string const_str2 =
            paren + not_paren_all + not_syllable + not_paren_all + paren;