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Matches Zippyshare file download URLs that begin with 'http', contain 'zippyshare' anywhere in the string, and end with '.html'. Typical matches look like 'https://www123.zippyshare.com/v/AbCdEf/file.html'. With the global flag, it extracts every occurrence, making it useful for scraping or validating Zippyshare file-hosting links from web pages, forums, or logs.