class MessagesProvider {

    public static String fixKey(String key) {
        key = key.replaceAll("[ */:,;]", "_"); // underline
        key = key.replaceAll("[@#$%^&()<>\\[\\]{}'\"]", ""); // empty

        // \u200b, for GetFile
        key = replaceWrongUnicode(key, "");
        // TODO, need consider other cases
        return key;
    }

}