微信昵称过滤表情

package com.ict.compent.wx;

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

public class EmojiFilter {

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