htmlString = (
    """</dd><dt> Fine, thank you. </dt><dd> Molt bé, gràcies. (<i>mohl behh, GRAH-syuhs</i>)"""
    )
SearchStr = (
    """(\\<\\/dd\\>\\<dt\\>)+ ([\\w+\\,\\.\\s]+)([\\&\\#\\d\\;]+)(\\<\\/dt\\>\\<dd\\>)+ ([\\w\\,\\s\\w\\s\\w\\?\\!\\.]+) (\\(\\<i\\>)([\\w\\s\\,\\-]+)(\\<\\/i\\>\\))"""
    )
Result = re.search(SearchStr.decode('utf-8'), htmlString.decode('utf-8'), 
    re.I | re.U)
print(Result.groups())
Python + Regex: AttributeError: 'NoneType' object has no attribute 'groups'