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In your models you can write validates_email :field instead of using regexp

installgem install validates-email -v 0.0.2
Authors

Dmitry Zudochkin

2,486 total downloads 662 for this version
Owners

Ac44d7fb6ee7ffad129725d0fd6d9d80

Gemfile
gem 'validates-email', '~> 0.0.2'
Versions
  1. 0.0.5 June 6, 2013 (7.5 KB)
  2. 0.0.4 June 6, 2013 (7.5 KB)
  3. 0.0.2 December 21, 2012 (5 KB)
  4. 0.0.1 April 4, 2012 (18.5 KB)
Show all versions (6 total)
Runtime Dependencies
  1. rails ~> 3.2.9
Development Dependencies
  1. sqlite3 >= 0