diff --git a/swh/web/api/views/metadata.py b/swh/web/api/views/metadata.py
--- a/swh/web/api/views/metadata.py
+++ b/swh/web/api/views/metadata.py
@@ -16,9 +16,7 @@
 from swh.web.api.apiurls import api_route
 from swh.web.common import archive, converters
 from swh.web.common.exc import BadInputExc, NotFoundExc
-from swh.web.common.utils import reverse
-
-SWHID_RE = "swh:1:[a-z]{3}:[0-9a-z]{40}"
+from swh.web.common.utils import SWHID_RE, reverse
 
 
 @api_route(
diff --git a/swh/web/api/views/vault.py b/swh/web/api/views/vault.py
--- a/swh/web/api/views/vault.py
+++ b/swh/web/api/views/vault.py
@@ -15,13 +15,12 @@
 from swh.web.api.views.utils import api_lookup
 from swh.web.common import archive, query
 from swh.web.common.exc import BadInputExc
-from swh.web.common.utils import reverse
+from swh.web.common.utils import SWHID_RE, reverse
+
 
 ######################################################
 # Common
 
-SWHID_RE = "swh:1:[a-z]{3}:[0-9a-z]{40}"
-
 
 # XXX: a bit spaghetti. Would be better with class-based views.
 def _dispatch_cook_progress(request, bundle_type: str, swhid: CoreSWHID):
diff --git a/swh/web/common/utils.py b/swh/web/common/utils.py
--- a/swh/web/common/utils.py
+++ b/swh/web/common/utils.py
@@ -39,6 +39,8 @@
 
 SWH_WEB_METRICS_REGISTRY = CollectorRegistry(auto_describe=True)
 
+SWHID_RE = "swh:1:[a-z]{3}:[0-9a-z]{40}"
+
 swh_object_icons = {
     "alias": "mdi mdi-star",
     "branch": "mdi mdi-source-branch",