I have more than 2000 email addresses. which i have exported from feedburner. And the email address look like below;
adminvicky@gmail.com Active 12/05
Try to use this regex:
([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)
REGEX DEMO
In your Javascript you can implement it like this:
function getMail ( text ){ return text.match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/gi); }
JSFIDDLE DEMO