/**     * 返回单个字符串，若匹配到多个的话就返回第一个，方法与getSubUtil一样     *     * @param soap     * @param rgex     * @return     */    public static String getSubUtilSimple(String soap, String rgex)    {        Pattern pattern = Pattern.compile(rgex);// 匹配的模式        Matcher m = pattern.matcher(soap);        while (m.find())        {            return m.group(1);        }        return "";    }    public static void main(String[] args)    {        String origin = "action.VenderAction$$EnhancerBySpringCGLIB$$4770aa03.update()";        origin = origin.replace(getSubUtilSimple(origin, "Action(.*?)\\."), "");        System.out.println(origin);    }