正则表达式

public static boolean validateEmail(String address){
    String pattern = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
    return Pattern.compile(pattern).matcher(address).find();
}