Need a Rails route with a possible period in the :id, but also retain the optional :format

Question

I have a Rails route that takes stock ticker symbols as the :id

• feeds/AMZN will return a page for Amazon
• feeds/AMZN.csv will ret

Answer 1

I ran into this as well, but in the reverse direction. (url_for() produces "No route matches" only for IDs with . in them.)

I'm using match instead of resources to allow some name munging. If you're doing the same, this is what the fix looks like:

match "feeds/:id" => "stocks#feed", :constraints => {:id => /[\w.]+?/, :format => /html|csv/}