qt - Regular Expression Filter for QFileDialog

Question

I would like to display a file open dialog that filters on a particular pattern, for example *.000 to *.999.

QFileDialog::getOpenFileNames allows you to specify discrete filters, such as *.000, *.001, etc. I would like to set a regular expression as a filter, in this case ^.*.ddd$, i.e. any file name that has a three digit extension.

Answer 1

It can be done by adding proxy model to QFileDialog. It is explained here: Filtering in QFileDialog