Ruby on Rails - url params with a period in ruby on rails- ruby on rails tutorial - rails guides - rails tutorial - ruby rails

We want to support a url parameter more complex than an id number, we may run into trouble with the parser if the value contains a period.
Anything following a period will be assumed to be a format (i.e. json, xml).
We can work around this limitation by using a constraint to broaden the accepted input.
For example, if you want to reference a user record by email address in the url:

resources :users, constraints: { id: /.*/ }

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Ruby on Rails - url params with a period in ruby on rails- ruby on rails tutorial - rails guides - rails tutorial - ruby rails

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