'Return lines in the table that match header.comment regexp'

@property
def comment_lines(self):

    if (not hasattr(self, 'lines')):
        raise ValueError('Table    must    be    read    prior    to    accessing    the    header    comment    lines')
    if self.header.comment:
        re_comment = re.compile(self.header.comment)
        comment_lines = [x for x in self.lines if re_comment.match(x)]
    else:
        comment_lines = []
    return comment_lines
