flash.rb in govuk_personalisation-0.13.0

- old
+ new

@@ -1,10 +1,10 @@
 # frozen_string-literal: true
 
 module GovukPersonalisation::Flash
   SESSION_SEPARATOR = "$$"
   MESSAGE_SEPARATOR = ","
-  MESSAGE_REGEX = /\A[a-zA-Z0-9._\-]+\z/.freeze
+  MESSAGE_REGEX = /\A[a-zA-Z0-9._-]+\z/.freeze
 
   # Splits the session header into a session value (suitable for using
   # in account-api calls) and flash messages.
   #
   # @param encoded_session [String] the value of the `GOVUK-Account-Session` header