How to use the dateparser.search.search_dates function in dateparser

:return: a string representing the date.
    :rtype: str
    """
    date_pattern = re.compile(
        r'''
        >Date:          # The name of the desired field.
        \s*             # # Any whitespace
        (?:)?    # Non capture closing span tag
        (?:)?  # Non-capture (literal match).
        ([^<]*)         # Capture any character except '<'.
        <               # Non-capture (literal match)
        ''',
        re.VERBOSE,
    )
    date = match_pattern(page, date_pattern).replace('.', ' ')
    date = search_dates(date)
    return date[0][1].date() if date else None