From: Dan Kohn <dan@...>
Date: 2006-01-04T08:27:58+09:00
Subject: Re: silly regex question

Here's a rails example for validating email addresses.

  validates_format_of :login, :with => /
    ^[-^!$#%&'*+\/=?`{|}~.\w]+
    @[a-zA-Z0-9]([-a-zA-Z0-9]*[a-zA-Z0-9])*
    (\.[a-zA-Z0-9]([-a-zA-Z0-9]*[a-zA-Z0-9])*)+$/x,
    :message => "must be a valid email address",
    :on => :create