gistfile1.py

    CONTACT = c.Or(                                                                 
        c.String(regex=r'(?P<first_name>^\S+)\s*(?P<last_name>.*\S)\s*<(?P<email>.+@.+.[^.]+)>') >>
            (lambda match: match.groupdict()),                                      
        c.String(regex=r'(?P<email>.+@.+..+)') >>                                   
            (lambda match: {'first_name': 'none', 'second_name': 'none', 'email': match.group()})
        )