<?php$text = 'i am just testing something@tt.com i am just testing some more more@testing.com';$text = preg_replace_callback( "#[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+#" , 'strip_non_emails', $text );function strip_non_emails( $matches = array() ){ print_r($matches);}?>