2 效验代码

    String fileName="<>?.xml";
    boolean isPass = fileName.matches("[^\\s\\\\/:\\*\\?\\\"<>\\|](\\x20|[^\\s\\\\/:\\*\\?\\\"<>\\|])*[^\\s\\\\/:\\*\\?\\\"<>\\|\\.]$");
    System.out.println(isPass);
    //结果: false