How to split string using QRegex?

[npatil15]

Thanks,

I have tried with other way, but it has small issue, look the code below,

QString query("{($..Properties[*])-($..Layer_Index)}");
    QRegularExpression re;
    re.setPattern("\\(.*?\\)");
    QRegularExpressionMatch match = re.match(query);
    qDebug()<<"Match 0: "<<match.captured(0);
    qDebug()<<"Match 1: "<<match.captured(1);
 
    //Output: Match 0:  "($..Properties[*])"
    //             Match 1:  ""

QString query("{($..Properties[*])-($..Layer_Index)}");
    QRegularExpression re;
    re.setPattern("\\(.*?\\)");
    QRegularExpressionMatch match = re.match(query);
    qDebug()<<"Match 0: "<<match.captured(0);
    qDebug()<<"Match 1: "<<match.captured(1);

    //Output: Match 0:  "($..Properties[*])"
    //             Match 1:  ""

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Here I didnt get the Match 1 as ($..Layer_Index), why ?

[d_stranz]

For one thing, QRegularExpressionMatch::captured() with a '0' argument returns the -entire- capture, not the first one. captured( 1 ) should be returning your first string, not the second. QRegularExpressionMatch::capturedTexts() will return all of them as a QStringList.

And try using QRegularExpression::globalMatch() instead of match().