[rds] Improve _VALID_URL
[youtube-dl] / youtube_dl / extractor / rds.py
2015-07-12 Sergey M․[rds] Improve _VALID_URL
2015-07-12 Sergey M․Merge branch 'fstirlitz-rdsca'
2015-07-12 Sergey M․[rds] Improve