java正則表達式 matches方式匹配ip

最近遇到了一個要校驗ipv4 ipv6格式的問題，應用正則表達式方便簡單,代碼如下，已經通過驗證，可方便判斷字符串是否爲正確ip

/**
 * @Title: isIPAddress  ip校驗 
 * @Description: 判斷IP格式的正確性  
 * @param ip 包含IP串 例：ipv4:192.168.19.12|ipv6:1030::C9B4:FF12:48AA:1A2B
 * @return   boolean 是否驗證通過   
 */
public boolean isIPAddress(String ip) {
     String regex = "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\."
             + "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\."
             + "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\."
             + "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$";

     String regex2="^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){6}((\\b((25[0-5])|(1\\d{2})|(2[0-4]\\d)|(\\d{1,2}))"
                + "\\b)\\.){3}(\\b((25[0-5])|(1\\d{2})|(2[0-4]\\d)|"
                + "(\\d{1,2}))\\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\\b((25[0-5])|"
                + "(1\\d{2})|(2[0-4]\\d)|(\\d{1,2}))\\b)\\.){3}(\\b((25[0-5])|"
                + "(1\\d{2})|(2[0-4]\\d)|(\\d{1,2}))\\b))|"
                + "(::([0-9A-Fa-f]{1,4}:){0,5}((\\b((25[0-5])|"
                + "(1\\d{2})|(2[0-4]\\d)|(\\d{1,2}))\\b)\\.){3}(\\b((25[0-5])|"
                + "(1\\d{2})|(2[0-4]\\d)|(\\d{1,2}))\\b))|"
                + "([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|"
                + "(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|"
                + "(([0-9A-Fa-f]{1,4}:){1,7}:))$";
     if (ip.matches(regex)) {
         return true;
     }else if(ip.matches(regex2)){
        return true;
     }
    return false;
}