[QRegExp] Parse a double string from the QString

[tzutalin]

Hello,
Does someone know how to parse the 6844.823501 from the bellow string using QRegExp?

QString str = " RenderThread-1171 ( 785) [002] ...1 6844.823501: tracing_mark_write: B|785|queue mFrameCallbackTask"

Thanks in advance

[Saugglocke]

Hey,

you could use an expression like this:

@QString str = "RenderThread-1171 ( 785) [002] …1 6844.823501: tracing_mark_write: B|785|queue mFrameCallbackTask";
QRegExp exp("[1-9]\.[0-9]");
int i = exp.indexIn(str);
if (i > 0)
qDebug() << exp.cap();@

Best regards