rules that use <link linkend="regex">regular expressions</link>. These rules permit
powerful changes on the content of Web pages, and optionally the headers
as well, e.g., you could try to disable your favorite JavaScript annoyances,
rules that use <link linkend="regex">regular expressions</link>. These rules permit
powerful changes on the content of Web pages, and optionally the headers
as well, e.g., you could try to disable your favorite JavaScript annoyances,