From 5a5860825db709b40462e2e29144f7d2b80757b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Thu, 8 Feb 2018 22:28:56 +0700
Subject: [PATCH] [prosiebensat1] Extend _VALID_URL (closes #15520)

---
 youtube_dl/extractor/prosiebensat1.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/youtube_dl/extractor/prosiebensat1.py b/youtube_dl/extractor/prosiebensat1.py
index 48757fd4f..7efff4566 100644
--- a/youtube_dl/extractor/prosiebensat1.py
+++ b/youtube_dl/extractor/prosiebensat1.py
@@ -129,6 +129,7 @@ class ProSiebenSat1IE(ProSiebenSat1BaseIE):
                     https?://
                         (?:www\.)?
                         (?:
+                            (?:beta\.)?
                             (?:
                                 prosieben(?:maxx)?|sixx|sat1(?:gold)?|kabeleins(?:doku)?|the-voice-of-germany|7tv|advopedia
                             )\.(?:de|at|ch)|