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;