Emoji表情 过滤 c#

mysql低版本针对超过3个字符的UTF-8字符保存出错。

解决方法1：直接过滤

private string test(string str)

        { 
            string result = Regex.Replace(str, @"\p{Cs}", ""); 
            return result;

        }

参考 http://blog.youkuaiyun.com/fengsh998/article/details/8639157

http://stackoverflow.com/questions/28023682/how-do-i-remove-emoji-characters-from-a-string

http://blog.youkuaiyun.com/fuxuejun/article/details/20361669