import re


def clean_string(text):
	"""This function runs a regex function to strip all special characters and make it appropriate for a file name
	Parameters:
	text (str): The string that needs to be converted to an appropriate file name

	Returns:
	str: Return the clean value appropriate for a file name
	"""
	text = re.sub('[^a-z0-9-]+', '', text.lower().strip().replace(" ", "-"))
	return text