public Integer getMatchName(String matchvalue) {
        if (this.getMatchSring().equals(matchvalue)) {
            return string_name;
        }
        if (this.getMatchNum().equals(matchvalue)) {
            return num_name;
        }
        if (this.getMatchOperacion().equals(matchvalue)) {
            return operador_name;
        }
        return begin;
    }