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Understand Python String endswith() Function for Python Beginner – Python Tutorial

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Python string endswith() function is very useful when you want a string ends with some sub strings. In this tutorial, we will write some examples to help you understand and learn to use it.

str.endswith(suffix[, start[, end]])

Parameters

suffix – String or tuple of suffixes to be checked
start (optional, int) – Beginning position where suffix is to be checked within the string.
end (optional, int) – Ending position where suffix is to be checked within the string.

Return Value

True or False

Here are some examples.

suffix is a string

suffix = '.com'
str = 'https://www.tutorialexample.com'

ends = str.endswith(suffix)
print(ends)
#True

Is case sensitive?

suffix = '.COM'
str = 'https://www.tutorialexample.com'
ends = str.endswith(suffix)
print(ends)
#False

String endswith() is case sensitvie.

If start > len(str)?

suffix = '.com'
str = 'https://www.tutorialexample.com'

ends = str.endswith(suffix, len(str)+1)
print(ends)
#False

suffix is a tuple

suffix = ('.com', 'e.com') #1
str = 'https://www.tutorialexample.com'

ends = str.endswith(suffix)
print(ends)
#True

suffix = ('.com', 'x.com') #2
ends = str.endswith(suffix)
print(ends)
#True

suffix = ('t.com', 'x.com') #3
ends = str.endswith(suffix)
print(ends)
#False

From the result, we will find these truth when suffix is a tuple.