hie....have a problem in email validation that same like the yahoo, hotmail [To] column that can let user to search the friends' email address from address book and also can let the user to type in thier own email address that wana send..

in the yahoo compose there, the email format that will dispaly is like below..

Alex <alexbearbear@hotmail.com>,andrew@yahoo.com

how can i validate the email address like the format above? thank you