public static void main(String[] args) {
        String s = "计算机11602-1604240844-木叶-作业2.ipynb";
        String rex = "[\\u4e00-\\u9fa5]{2,3}\\d{5}-\\d{10}-[\\u4e00-\\u9fa5]{2,4}-作业\\d{1}";
        Pattern compile = Pattern.compile(rex);
        Matcher matcher = compile.matcher(s);
        if(matcher.find()){
            String collegeId = matcher.group(0);
            System.out.println(collegeId);
        }
    }