android: Fix file dialog name filter matching for extensions with numbers

Pick-to: 6.9 6.8 6.5
Task-number: QTBUG-114957
Change-Id: I8e9ff3b9c7ad3fe8442caa49f6ad0bb6449bb9e9
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>

src/plugins/platforms/android/qandroidplatformfiledialoghelper.cpp

@@ -133,7 +133,7 @@ QStringList nameFilterExtensions(const QString nameFilters)
 {
     QStringList ret;
 #if QT_CONFIG(regularexpression)
-    QRegularExpression re("(\\*\\.[a-z .]+)");
+    QRegularExpression re("(\\*\\.[a-z0-9 .]+)");
     QRegularExpressionMatchIterator i = re.globalMatch(nameFilters);
     while (i.hasNext())
         ret << i.next().captured(1).trimmed();