QRegExp

//#if 0
        QRegExp re1("AT+CGATT?");
        QRegExp re2("AT+CGATT=([0-9])");
        if (re1.exactMatch(list[1])) {
            qDebug()<<"list[i]"<<list[i];
        }
        else if (re2.exactMatch(list[i])) {
            // set
            int state;
            bool ok;
            state = re2.cap(1).toInt(&ok);
            if (ok && state >= 0 && state <= 1) {
                ue->cgatt.state = state;
                response.append("OK");
            }
            else
                response.append("ERROR");
        }
//#endif

           QRegExp ref1("AT+COPS?");
            QRegExp ref2("AT+COPS=([0-9])(.*)"); //[<mode>[,<format> [,<oper>[,<AcT>]]]]
            if (ref1.exactMatch(list[i]))
                response.append("+COPS:")
                        .append(QString::number(ue->cops.mode)).append(",")
                        .append(QString::number(ue->cops.format)).append(",")
                        .append(ue->cops.oper_numeric).append(",")
                        .append(QString::number(ue->cops.act)).append("\r\nOK");
            else if (ref2.exactMatch(list[i]))
            {   
                ue->cops.mode = ref2.cap(1).toInt();
                if (!ref2.cap(2).isEmpty()) {
                    QStringList pa;
                    pa = ref2.cap(2).split(",");
                    for (i = 0; i < pa.size(); i++) {
                        switch (i) {
                        case 0: ue->cops.format = pa.at(i).toInt(); break;
                        case 1: strcpy(ue->cops.oper_long, pa.at(i).toAscii().constData()); break;
                        case 2: ue->cops.act = pa.at(i).toInt(); break;
                        default:
                            break;
                        }
                    }
                }