regex - How to QRegExp "[propertyID="anything"] "? -
i parsing file contains following packets: [propertyid="123000"] { fillcolor : #f3f1ed; minsize : 5; linewidth : 3; } to scan [propertyid="123000"] fragment havre qregexp qregexp("^\b\[propertyid=\"c+\"\]\b"); but not work? here have example code parse file above: qregexp propertyidexp= qregexp("\\[propertyid=\".*\"]"); propertyidexp.setminimal(true); qfile inputfile(filename); if (inputfile.open(qiodevice::readonly)) { qtextstream in(&inputfile); while (!in.atend()) { qstring line = in.readline(); // if not catch if line instance // [propertyid="123000"] { if( line.contains(propertyidexp) ) { //.. further processing } } inputfile.close(); } qregexp("\\[propertyid=\".+?\"\\]") you can use . .it match character except newline .also use +? make non greedy or stop @ last instance of
