dash not allowed in custom routed uri since 1.7?

[eluser]sophistry[/eluser]
@thenetmonkey - welcome to CI.

unless you are using the latest SVN 1.7.1 version of CI disallowed characters would not give you a 404 (previous to this change disallowed chars just got you an exit(); with a string message - not even HTML).

anyhow, if you are not using SVN then your problem must be elsewhere.

what does your ruri segment look like? did you try echoing it?