def match(line=None, contains=[]):
    """
    Return true if line contains all of a set of
    specified strings between '/' characters.
    """
    if line is None:
        raise RuntimeError('[-] no line to search')
    if type(contains) is not list:
        raise RuntimeError('[-] kwarg "contains" must be a list')
    for s in contains:
        if not line.find(f'/{ s }/') >= 0:
            return False
    return True