def get_lines(text_string, sub_string):
    """Get individual lines in a text file

	Arguments:
		text_string {string} -- The text string to test
		sub_string {string} -- The conditional string to perform splitting on

	Returns:
		{list} -- A list of split strings
	"""
    lines = [line for line in text_string.split("\n") if sub_string in line]
    return lines