Is there a Chinese judge in Qstring

QTextCodec * codec = QTextCodec::codecForName("GBK");

QTextCodec::setCodecForTr(codec);

QTextCodec::setCodecForLocale(codec);

QTextCodec::setCodecForCStrings(codec);

QString strCh = QString ( "D: / QT software installation package / windbg");

qDebug()<< strCh.contains(QRegExp("[\\x4E00-\\x9fa5]+"));