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How To: Use case insensitive emails
tyrande edited this page Dec 9, 2011
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As of Devise 1.2.rc (see https://github.com/plataformatec/devise/pull/670), you can make your devise users' emails case-insensitive by changing config/initializers/devise.rb to use:
...
config.case_insensitive_keys = [:email]
...
This works for forgot password, sign up, sign in, etc.
Replace :email
with the authentication key that you use.
If you need to find a user (for example in a custom sessions_controller), note that User.find_by_email(params[:email])
is case sensitive. Use User.find_for_authentication(:email => params[:email])
instead.