http://l3tczdiiwoo63iwxty4lhs6p7eaxop5micbn7vbliydgv63x5zrrrfyd.onion/user-manual/filter-file.html
Now, let's examine the pattern: it starts with the text <script.* enclosed in
parentheses. Since the dot matches any character, and * means: "Match an arbitrary number of the element left of myself" , this matches "<script" , followed by any text, i.e. it
matches the whole page, from the start of the first <script> tag.