select a part of a cookie string

HI, i need to select from this Cookie ......s:4:"type";s:1:"5";s:5:"email";s:18:"email(at)domain";s:8:"userpass";s:32:"25d66ad283aa789af464c76d713c07ad";s:5:"fname";s:5:"Angie";s:5:"lname";s:7:"....... the part of the variable "email" as $_COOKIE['email'] and the part of the variable "userpass" 25d66ad283aa789af464c76d713c07ad as $_COOKIE['user pass'] who can do this? with preg_match_all?