Repository: yt-dlp/yt-dlp
File: yt_dlp/extractor/n1.py (Python)

Code before:
    _VALID_URL = r'https?://best-vod\.umn\.cdn\.united\.cloud/stream\?asset=(?P<id>[^&]+)'
    _TESTS = [{
        'url': 'https://best-vod.umn.cdn.united.cloud/stream?asset=ljsottomazilirija3060921-n1info-si-worldwide&stream=hp1400&t=0&player=m3u8v&sp=n1info&u=n1info&p=n1Sh4redSecre7iNf0',
        'md5': '28b08b32aeaff2b8562736ccd5a66fe7',
        'info_dict': {
            'id': 'ljsottomazilirija3060921-n1info-si-worldwide',
            'ext': 'mp4',
            'title': 'ljsottomazilirija3060921-n1info-si-worldwide',
        }
    }]

    def _real_extract(self, url):
        video_id = self._match_id(url)
        formats = self._extract_m3u8_formats(
            url, video_id, 'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)

        return {
            'id': video_id,
            'title': video_id,
            'formats': formats,
        }


class N1InfoIIE(InfoExtractor):
    IE_NAME = 'N1Info:article'
    _VALID_URL = r'https?://(?:(?:(?:ba|rs|hr)\.)?n1info\.(?:com|si|rs|hr|ba)|nova\.rs)/(?:[^/]+/){1,2}(?P<id>[^/]+)'
    _TESTS = [{
        # Youtube embedded
        'url': 'https://rs.n1info.com/sport-klub/tenis/kako-je-djokovic-propustio-istorijsku-priliku-video/',
        'md5': '01ddb6646d0fd9c4c7d990aa77fe1c5a',
        'info_dict': {
            'id': 'L5Hd4hQVUpk',
            'ext': 'mp4',
            'upload_date': '20210913',
            'title': 'Ozmo i USO21, ep. 13: Novak Đoković – Danil Medvedev | Ključevi Poraza, Budućnost | SPORT KLUB TENIS',
            'description': 'md5:467f330af1effedd2e290f10dc31bb8e',
            'uploader': 'Sport Klub',
            'uploader_id': 'sportklub',
        }
    }, {
        'url': 'https://rs.n1info.com/vesti/djilas-los-plan-za-metro-nece-resiti-nijedan-saobracajni-problem/',
        'info_dict': {
            'id': 'bgmetrosot2409zta20210924174316682-n1info-rs-worldwide',
            'ext': 'mp4',
            'title': 'Đilas: Predlog izgradnje metroa besmislen; SNS odbacuje navode',
            'upload_date': '20210924',
            'timestamp': 1632481347,
        },
        'params': {
            'skip_download': True,
        },

Review comment (suggestion):
```suggestion
    _VALID_URL = r'https?://(?:(?:\w+\.)?n1info\.\w+|nova\.rs)/(?:[^/]+/){1,2}(?P<id>[^/]+)'
```
I'd just do this tbh

Code after:
    _VALID_URL = r'https?://best-vod\.umn\.cdn\.united\.cloud/stream\?asset=(?P<id>[^&]+)'
    _TESTS = [{
        'url': 'https://best-vod.umn.cdn.united.cloud/stream?asset=ljsottomazilirija3060921-n1info-si-worldwide&stream=hp1400&t=0&player=m3u8v&sp=n1info&u=n1info&p=n1Sh4redSecre7iNf0',
        'md5': '28b08b32aeaff2b8562736ccd5a66fe7',
        'info_dict': {
            'id': 'ljsottomazilirija3060921-n1info-si-worldwide',
            'ext': 'mp4',
            'title': 'ljsottomazilirija3060921-n1info-si-worldwide',
        }
    }]

    def _real_extract(self, url):
        video_id = self._match_id(url)
        formats = self._extract_m3u8_formats(
            url, video_id, 'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)

        return {
            'id': video_id,
            'title': video_id,
            'formats': formats,
        }


class N1InfoIIE(InfoExtractor):
    IE_NAME = 'N1Info:article'
    _VALID_URL = r'https?://(?:(?:\w+\.)?n1info\.\w+|nova\.rs)/(?:[^/?#]+/){1,2}(?P<id>[^/?#]+)'
    _TESTS = [{
        # Youtube embedded
        'url': 'https://rs.n1info.com/sport-klub/tenis/kako-je-djokovic-propustio-istorijsku-priliku-video/',
        'md5': '01ddb6646d0fd9c4c7d990aa77fe1c5a',
        'info_dict': {
            'id': 'L5Hd4hQVUpk',
            'ext': 'mp4',
            'upload_date': '20210913',
            'title': 'Ozmo i USO21, ep. 13: Novak Đoković – Danil Medvedev | Ključevi Poraza, Budućnost | SPORT KLUB TENIS',
            'description': 'md5:467f330af1effedd2e290f10dc31bb8e',
            'uploader': 'Sport Klub',
            'uploader_id': 'sportklub',
        }
    }, {
        'url': 'https://rs.n1info.com/vesti/djilas-los-plan-za-metro-nece-resiti-nijedan-saobracajni-problem/',
        'info_dict': {
            'id': 'bgmetrosot2409zta20210924174316682-n1info-rs-worldwide',
            'ext': 'mp4',
            'title': 'Đilas: Predlog izgradnje metroa besmislen; SNS odbacuje navode',
            'upload_date': '20210924',
            'timestamp': 1632481347,
        },
        'params': {
            'skip_download': True,
        },