djc_srv/wsps/routing.py

# chat/routing.py
from django.urls import re_path

from . import consumers

websocket_urlpatterns = [
	# re_path(r'ws/chat/(?P<room_name>\w+)/$', consumers.ChatConsumer.as_asgi()),
	re_path(r'ws/chat/(?P<room_name>[\w.-]+)/?$', consumers.ChatConsumer.as_asgi()),
]