from django.conf.urls import url

import core.views

urlpatterns = [
    url(r'^u/(?P<slug>[\w-\.]+)/?$', core.views.run_fn, name="run_fn"),
]

@@ -91,9 +91,12 @@
 %3E%5B%5Cw
--
+%5C-%5C+
 %5C.%5D+

Add more patterns to be handled in the slug