From 9c1da4a9f9fc17cffc2fa2261030c66d2a032a58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Sat, 20 Jul 2019 23:08:26 +0700
Subject: [PATCH] [extractor/generic] Restrict --default-search schemeless URLs
 detection pattern (closes #21842)

---
 youtube_dl/extractor/generic.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/generic.py b/youtube_dl/extractor/generic.py
index 77e217460..d34fc4b15 100644
--- a/youtube_dl/extractor/generic.py
+++ b/youtube_dl/extractor/generic.py
@@ -2226,7 +2226,7 @@ class GenericIE(InfoExtractor):
                 default_search = 'fixup_error'
 
             if default_search in ('auto', 'auto_warning', 'fixup_error'):
-                if '/' in url:
+                if re.match(r'^[^\s/]+\.[^\s/]+/', url):
                     self._downloader.report_warning('The url doesn\'t specify the protocol, trying with http')
                     return self.url_result('http://' + url)
                 elif default_search != 'fixup_error':