将emoji表情替换成空串

import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class StringUtil {
    /**
     * 将emoji表情替换成空串
     *
     * @param source
     * @return 过滤后的字符串
     */
    public static String filterEmoji(String source) {
        if (source != null) {
            Pattern emoji = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]|[\ud800\udc00-\udbff\udfff\ud800-\udfff]", Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);
            Matcher emojiMatcher = emoji.matcher(source);
            if (emojiMatcher.find()) {
                source = emojiMatcher.replaceAll("");
                return source;
            }
            return source;
        }
        return source;
    }
}