Astarte.Core.Realm.valid_name-question-mark

You're seeing just the function valid_name-question-mark, go back to Astarte.Core.Realm module for more information.

Returns true if realm_name is a valid realm name, false otherwise.

Valid realm names match this regular expression: ~r/^[a-z][a-z0-9]{0,47}$/. In addition, the astarte and system names and the system_ prefix are reserved.