Hello, Your regular expression is very strange. You have a character class with two symbols and then you don't have a capture group? Maybe try this: "(?<=\\s)c:\\s?(.*)$"
Kind regards. On Mon, Dec 28, 2015 at 12:42 AM, <david.carmon...@gmail.com> wrote: > I am currently trying to extract the following chain of character: > > This is a rectangle. Its height is 193, its width is 193 and the word > number is 12. > > from the following line: > > ID: 1 x: 1232 y: 2208 w: 193 h: 390 wn: 12 ln: 13 c: This is a rectangle. > Its height is 193, its width is 193 and the word number is 12 ! > > I have to do this using QRegularExpressions. Therefore, my code is as > following: > > > regularExpression.setPattern("[c:](?:\\s*)$"); > QRegularExpressionMatch match = regularExpression.match("ID: 2 x: 845 > y: 1633 w: 422 h: 491 wn: 78 ln: 12 c: qsdfgh"); > if (match.hasMatch()) { > QString id = match.captured(0); > qDebug()<<"The annotation is:"<<id; > return id; > } > return 0; > > > However, it does not work at all and I do not understand why (maybe my > regular expression is not correct).I am stuck in this problem from several > days now. > > Could you help me please ? > > Best regards > David > > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > >
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