diff --git a/sapl/base/templatetags/common_tags.py b/sapl/base/templatetags/common_tags.py
index a9e47d827..96133d383 100644
--- a/sapl/base/templatetags/common_tags.py
+++ b/sapl/base/templatetags/common_tags.py
@@ -233,13 +233,13 @@ def is_video_url(value):
 def youtube_url(value):
     # Test if YouTube video
     # tested on https://pythex.org/
-    youtube_pattern = "^(http://?|https://?www\.?youtube\.com/watch\?v=)"
+    youtube_pattern = "^((http://|https://)?www\.?youtube\.com/watch\?v=)"
     r = re.findall(youtube_pattern, value)
     return True if r else False
 
 @register.filter
 def facebook_url(value):
-    facebook_pattern = "^(http://?|https://?(www?|pt-br?)\.facebook\.com/(.*?)/videos/(.*?))"
+    facebook_pattern = "^((http://|https://)?(www?|pt-br?)\.facebook\.com/(.*?)/videos/(.*?))"
     r = re.findall(facebook_pattern, value)
     return True if r else False