Routing with dynamic Event ID in URL for event managment system

[eluser]Saquib[/eluser]
Hi Guys,

I am developing an event management system using PHP Codeigniter and MySQL where I am not sure how i can solve below problems

Problem 1

I want to make URL for back end like

www.event-backend.com/event/EVENt_ID (for dashboard)
www.event-backend.com/event/EVENt_ID/registration
www.event-backend.com/event/EVENt_ID/travel
and so on

and by changing the EVENT_ID i can open different event

But in codeigniter how I can do it, second param will be a method of controller, i need it dynamic. what will be the routing ?

Problem 2

I want to people can access event website (which is unique for every event) by typing

www.somedomain.com
which will be pointing at
www.event-backend.com/website/EVENt_ID

and


www.somedomain.com/registration
which will be pointing at
www.event-backend.com/website/EVENt_ID/registration

Please help