plataformatec/devise — pull request #2148 by kukula (2012-11-19 11:42:18+00:00)
Title: Fix default email_regexp config to not allow spaces

Default email_regexp config accepted emails with spaces. e.g.: "test user@test server.com" http://rubular.com/r/jXGS8pmumd
Changed regexp to not allow spaces in email. e.g.: http://rubular.com/r/tTD9PytGEp