Get the last part before a specified character

S.rsplit(‘/’, 1)[0]

Get the last part of a string before a specified character.

S = 'https://www.w3resource.com/python-exercises/string'

print(S.rsplit('/', 1)[0])
print(S.rsplit('-', 1)[0])

Output:

https://www.w3resource.com/python-exercises
https://www.w3resource.com/python

See also

https://www.w3resource.com/python-exercises/string/python-data-type-string-exercise-19.php