@classmethod
def MatchFractionPart(cls, text):
    """
        Verify if the given text matchs only the fractional part of a fraction value.

        :param str text:
            The given text to verify matching

        @raise: ValueError
            When the text not match the expression, like "3 1/2"
        """
    text = str(text).strip()
    m = cls._FRACTION_PARTIAL_RE.match(text)
    if m is None:
        raise ValueError('Please enter a text in the form: "3/4"')
