parse relative link to absolute url

parse_link.py

def parse_link(current_url: str, link: str) -> str:
    """ parse relative url to absolute url """
    # http(s)://example.com/example
    if link.startswith("http"):
        return link
    # //example.com/example
    if link.startswith("//"):
        return current_url.split("//")[0] + link
    # /example
    if link.startswith("/"):
        return re.search('https*://.+?/', current_url).group(0)[:-1] + link
    # ?query=value
    if link.startswith("?"):
        return re.search('https*://.+?\?', current_url).group(0)[:-1] + link
    # #hash
    if link.startswith("#"):
        return current_url.split("#")[0] + link
    # normal-uri
    return re.search('https*://.+/', current_url).group(0) + link