how to remove non alphanumeric characters in python code example

Example 1: python string strip non alphanumeric

Regular expressions to the rescue:

import re
stripped_string = re.sub(r'\W+', '', your_string)

Example 2: python remove non letters from string

def nospecial(text):
	import re
	text = re.sub("[^a-zA-Z0-9]+", "",text)
	return text