public static boolean isSafeUserInfoString(String strUserInfo) {
        boolean blnResult = false;
        log.debug(String.format("method start String[strUserInfo:%s]", strUserInfo));
        if (strUserInfo != null) {
            blnResult = !Pattern.matches("^\\s*$|^c:\\\\con\\\\con$|[%,\\*\"\\s\\t\\<\\>\\&]|游客|^Guest", strUserInfo);
        }
        log.debug(String.format("method stop return:boolean[%s]", blnResult));
        return blnResult;
    }