def extract_fastx_comment(header):
    """
    Split FASTA/Q header into name and comment

    :param header: FASTA/Q header line
    :return: name, comment
    :rtype: tuple
    """
    cols = header.replace('\t', ' ').split(' ')
    name = cols[0]
    comment = None
    if len(cols) > 1:
        comment = ' '.join(cols[1:])
    return name, comment
