fix regex

app.py

@@ -52,15 +52,12 @@ def navigate_dataset(dataset_ids, index, direction):
 
 
 def get_display_name(collection_id):
-    # Split the collection_id into parts
-    parts = collection_id.split("/")
-    if len(parts) == 2:
-        owner, name = parts
-        # Remove the ID part (assumed to be 32 characters of hexadecimal after the last hyphen)
-        name = re.sub(r"-[a-f0-9]{32}$", "", name)
-        return f"{owner}/{name}"
+    # Pattern to match username/repo-name with an optional ID of 16 or more hexadecimal characters
+    pattern = r"^(.+?)-([a-f0-9]{16,})$"
+    if match := re.match(pattern, collection_id):
+        return match[1]
     else:
-        # If the format is unexpected, return the original
+        # If no match, return the original
         return collection_id