java 检查表情字符

Question

@Test
public void test2(){
    System.out.println(Test1.isHasEmoji("江西省啊啊啊啊啊啊啊啊"));
    System.out.println(Test1.isHasEmoji("江西省陕西市 人和路 师大花园4撞3-1号"));
    System.out.println(Test1.isHasEmoji("江西省啊💛🧡❤啊"));
    System.out.println(Test1.isHasEmoji("江西省啊啊\n"));
    System.out.println(Test1.isHasEmoji("江西省是是⊙﹏⊙∥啊+啊"));
    System.out.println(Test1.isHasEmoji("江西省是㏄啊是"));
}

前面两个是正常数据，下面四个是异常数据，谁能筛选出来，网上现有的方法都没法实现

Answer 1

/**
     * 将str中的emoji表情转为byte数组
     *
     * @param str
     * @return
     */
    public static String resolveToByteFromEmoji(String str) {
        Pattern pattern = Pattern
                .compile("[^(\u2E80-\u9FFF\\w\\s`~!@#\\$%\\^&\\*\\(\\)_+-？（）——=\\[\\]{}\\|;。，、《》”：；“！……’:'\"<,>\\.?/\\\\*)]");
        Matcher matcher = pattern.matcher(str);
        StringBuffer sb2 = new StringBuffer();
        while (matcher.find()) {
            matcher.appendReplacement(sb2, resolveToByte(matcher.group(0)));
        }
        matcher.appendTail(sb2);
        return sb2.toString();
    }

    /**
     * 将str中的byte数组类型的emoji表情转为正常显示的emoji表情
     *
     * @param str
     * @return
     */
    public static String resolveToEmojiFromByte(String str) {
        Pattern pattern2 = Pattern.compile("<:([[-]\\d*[,]]+):>");
        Matcher matcher2 = pattern2.matcher(str);
        StringBuffer sb3 = new StringBuffer();
        while (matcher2.find()) {
            matcher2.appendReplacement(sb3, resolveToEmoji(matcher2.group(0)));
        }
        matcher2.appendTail(sb3);
        return sb3.toString();
    }

    private static String resolveToByte(String str) {
        byte[] b = str.getBytes();
        StringBuffer sb = new StringBuffer();
        sb.append("<:");
        for (int i = 0; i < b.length; i++) {
            if (i < b.length - 1) {
                sb.append(Byte.valueOf(b[i]).toString() + ",");
            } else {
                sb.append(Byte.valueOf(b[i]).toString());
            }
        }
        sb.append(":>");
        return sb.toString();
    }

    private static String resolveToEmoji(String str) {
        str = str.replaceAll("<:", "").replaceAll(":>", "");
        String[] s = str.split(",");
        byte[] b = new byte[s.length];
        for (int i = 0; i < s.length; i++) {
            b[i] = Byte.valueOf(s[i]);
        }
        return new String(b);
    }