过滤 emoji

emoji_filter.java

  public String getFormatTitle(String str) {
        Pattern emoji = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]",
                Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);
        Matcher emojiMatcher = emoji.matcher(str);
        return emojiMatcher.replaceAll("");
    }