unity输入屏蔽emoji

安卓的emoji显示乱码，IOS没事，在input监听屏蔽即可 onValidateInput

    /// <summary>
    /// 输入框屏蔽emoji
    /// </summary>
    private readonly string[] pattens = {@"\p{Cs}", @"\p{Co}", @"\p{Cn}", @"[\u2702-\u27B0]"};
    private char InputValueChange(string text, int charIndex, char addedChar) {
        if (pattens.Length > 0) {
            string str = $"{addedChar}";
            if (IsEmoji(str)) {
                return '\0';
            }
        }
        return addedChar;
    }

    private bool IsEmoji(string s) {
        for (int i = 0; i < pattens.Length; ++i) {
            if (Regex.IsMatch(s, pattens[i])) {
                return true;
            }
        }
        return false;
    }