str.lower()
and str.strip()
to normalize the input string.re.sub()
to to replace spaces, dashes and underscores with -
and remove special characters.import re
def slugify(s):
s = s.lower().strip()
s = re.sub(r'[^\w\s-]', '', s)
s = re.sub(r'[\s_-]+', '-', s)
s = re.sub(r'^-+|-+$', '', s)
return s
slugify('Hello World!') # 'hello-world'
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