def read_xclude_regexes_file(filename):
    """
    Reads an ((in|ex)clude regexes) file and returns it's lines.

    :type filename: str
    :param filename: An ((in|ex)clude regexes) file name
    :rtype list
    :return File content lines
    """

    try:
        with open(filename) as filepointer:
            return filepointer.read().splitlines()
    except IOError:
        pass

    return []