def _refang_common(ioc):
    """Remove artifacts from common defangs.

    :param ioc: String IP/Email Address or URL netloc.
    :rtype: str
    """
    return ioc.replace('[dot]', '.').replace('(dot)', '.').replace('[.]', '.'
        ).replace('(', '').replace(')', '').replace(',', '.').replace(' ', ''
        ).replace(u'・', '.')
