Remove specific strings at the end of python

When you want to delete a specific character string at the end

For a string S, if there is a string s at the end of S When you want to delete only the last s.

S = 'abc123abcabc'
s = 'abc'

if S.endswith(s):
    S = S[:-len(s)]
print(S)  

#Output result: abc123abc

You can also do the same with regular expressions.

import re

S = "abc123abcabc"
s = "abc$"

print(re.sub(search, "", string))

#Output result: abc123abc

This may be cleaner.

At first, I wrote how to use rstrip (), I completely misunderstood it, so I deleted it. Thank you for your comment.

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