java 过滤emoji表情

	public static String filterEmoji(String source) {
		if (source != null) {
			Pattern emoji = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]|[\ue001-\ue537]",
					Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);
			Matcher emojiMatcher = emoji.matcher(source);
			if (emojiMatcher.find()) {
				source = emojiMatcher.replaceAll("");
				return source;
			}
			return source;
		}
		return source;
	}