code: public static ZipEntry[] findEntryInZip(ZipFile zip, String regex) {
          List<ZipEntry> list = new LinkedList<ZipEntry>();
          Enumeration<? extends ZipEntry> en = zip.entries();
          while (en.hasMoreElements()) {
              ZipEntry ze = en.nextElement();
              if (null == regex || Regex.match(regex, ze.getName()))
                  list.add(ze);
          }
          return list.toArray(new ZipEntry[list.size()]);
      }
docs: 根据正则式，从压缩文件中获取文件
  
  @param zip
  压缩文件
  @param regex
  正则式，用来匹配文件名
  @return 数组