If client has a dash in the name , the status is incorrectly set  to offline in the db 
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- [x] Low (select if the issue doesn't significantly affect the user experience, like minor visual bugs)

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diff --git a/fedn/fedn/clients/reducer/restservice.py b/fedn/fedn/clients/reducer/restservice.py
index 0c51206..cc04e49 100644
--- a/fedn/fedn/clients/reducer/restservice.py
+++ b/fedn/fedn/clients/reducer/restservice.py
@@ -539,8 +539,8 @@ class ReducerRestService:
                 for client in combiner_info:
                     active_trainers_str = client['active_trainers']
                     active_validators_str = client['active_validators']
-                    active_trainers_str = re.sub('[^a-zA-Z0-9:\\n\\.]', '', active_trainers_str).replace('name:', ' ')
-                    active_validators_str = re.sub('[^a-zA-Z0-9:\\n\\.]', '', active_validators_str).replace('name:', ' ')
+                    active_trainers_str = re.sub('[^a-zA-Z0-9-:\\n\\.]', '', active_trainers_str).replace('name:', ' ')
+                    active_validators_str = re.sub('[^a-zA-Z0-9-:\\n\\.]', '', active_validators_str).replace('name:', ' ')
                     all_active_trainers.extend(' '.join(active_trainers_str.split(" ")).split())
                     all_active_validators.extend(' '.join(active_validators_str.split(" ")).split())
 
['fedn/fedn/clients/reducer/restservice.py']