(20251125) Minor RegEx search fix in the new caching system.

utils_v2/cache_v2/async_local_cache.py

@@ -154,7 +154,7 @@ class AsyncLocalCache(AsyncCachingBase):
 
     async def list_keys(
             self,
-            match: str = ".*",
+            match: str | None = None,
             raise_exception: bool = False
     ) -> List[str] | None:
 
@@ -176,7 +176,8 @@ class AsyncLocalCache(AsyncCachingBase):
             # Enlist all the keys,
             # test the pattern against all the keys and keep only those that match:
             for k in self.__cached_data.keys():
-                if regex.match(text = str(k), pattern = match):
+                if match is None: keys_list.append(k)
+                elif regex.match(text = str(k), pattern = match):
                     keys_list.append(k)
 
             # Done here: