diff --git a/youtube_dl/extractor/contar.py b/youtube_dl/extractor/contar.py
index 3752b5e88..654bf39ff 100644
--- a/youtube_dl/extractor/contar.py
+++ b/youtube_dl/extractor/contar.py
@@ -227,7 +227,7 @@ class ContarSerieIE(ContarBaseIE):
 
 class ContarChannelIE(ContarBaseIE):
 
-    _UUID_RE = r'[\d]{1,}'
+    _UUID_RE = r'\d+'
     _VALID_URL = r'https?://(?:www\.)?cont\.ar/channel/(?P<id>%s)' % _UUID_RE
     _TEST = {
         'url': 'https://www.cont.ar/channel/242',
@@ -265,7 +265,7 @@ class ContarChannelIE(ContarBaseIE):
 
 class ContarBrowseIE(ContarBaseIE):
 
-    _UUID_RE = r'[\d]{1,}'
+    _UUID_RE = r'\d+'
     _VALID_URL = r'https?://(?:www\.)?cont\.ar/browse/genre/(?P<id>%s)' % _UUID_RE
     _TEST = {
         'url': 'https://www.cont.ar/browse/genre/46',