def validate(self, value):
if isinstance(value, (str, unicode)) and not re.match(self.__pattern, value):<EOL><INDENT>raise orb.errors.ColumnValidationError(self, '<STR_LIT>')<EOL><DEDENT>else:<EOL><INDENT>return super(EmailColumn, self).validate(value)<EOL><DEDENT>
Validates the value provided is a valid email address,
at least, on paper.

:param value: <str>

:return: <bool>