import re


def has_cyrillic(text):
    """
    This is ensuring that the given text contains cyrllic characters
    :param text:  The text to validate
    :return: Returns true if there are cyrillic characters
    """
    # Note: The character range includes the entire Cyrillic script range including the extended
    #       Cyrillic alphabet (e.g. ё, Є, ў)
    return bool(re.search('[\u0400-\u04FF]', text))