From: Farrel Lifson <farrel.lifson@...>
Date: 2008-07-28T20:49:11+09:00
Subject: Re: regarding validation of email address.

2008/7/28 Vamsi Krishna <vamsikrishna.naidu@gmail.com>:
> hi all
>
>  i used the following reg. expression
>
>  /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
>  for validating an email address.
>
>  and its work nice. *but i need to add + in the validation as i need it
>
> ex: user+tag@gmail.com
>
>  so in order to validate this where should i put + symbol in regular
> expression so that i send emails to user+tag@gmail.com.

Have a look at http://tfletcher.com/lib/rfc822.rb

Regards,
Farrel