Test whether @uri should be filtered by @filter_list.

def is_uri_to_be_filtered(uri, filter_list):
    """Test whether @uri should be filtered by @filter_list."""
    match = False
    if filter_list:
        for uri_filter in filter_list:
            if re.search(uri_filter, uri, flags=re.IGNORECASE):
                match = True
        return match