Get the valid emailID from the list appended with some more information

Hi

I want to get the valid emailID from the list.If I use the emailaddress from the address book of any mail account then the name of the user get appended with the emailID .eg:"Ayushi Soni" <asoni@gmail.com>,..  and then copy these address to a textbox in an asp.net application.

Now I want to retrieve the actual EmailID from the list ignoring the name that is appended.Is there any utitliy that we can use to filter this out and validate the filtered email.
I donot want to use regex for this.

Thanks.
skothari
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