注意单斜杠不要双斜杠,否则无法正确匹配
public static void main(String[] args) {
System.out.println(content);
System.out.println("emoji:"+hasEmoji(content));
}
public static boolean hasEmoji(String content){
Pattern pattern = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]");
Matcher matcher = pattern.matcher(content);
if(matcher .find()){
return true;
}
return false;
}