def contains(self, etag: str) -> bool:
        """Check if an etag is part of the set ignoring weak tags.
        It is also possible to use the ``in`` operator.
        """
        if self.star_tag:
            return True
        return self.is_strong(etag)
Check if an etag is part of the set ignoring weak tags.
        It is also possible to use the ``in`` operator.
        
src/werkzeug/datastructures/etag.py