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Email Regex

05.12.2009
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        // validates email
  validates_format_of :email, 
    :with => /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/, 
    :message => "is invalid"