def strip_html_tags(s):
return _html_tag_re.sub('<STR_LIT>', s)<EOL>
Remove all html tags from string.

    :param s: string
    :type s: str
    :return: string with stripped html tags
    :rtype: str

    :Example:
        >>> strip_html_tags('<h1>hello <i>world</i></h1>')
        'hello world'