ttps?://
                        (?:www\.)?bbc\.co\.uk/
                        (?:
                            programmes/(?!articles/)|
                            iplayer(?:/[^/]+)?/(?:episode/|playlist/)|
                            music/(?:clips|audiovideo/popular)[/#]|
                            radio/player/|
                            events/[^/]+/play/[^/]+/
                        )
                        (?P<id>(?:[pbml][\da-z]{7}|w[\da-z]{7,14}))(?!/(?:episodes|broadcasts|clips))
                    z