How do I find out if a exclamation mark is at the end of a string?

Asked Jun 02 '20 at 23:50

Active Jun 02 '20 at 23:50

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I am writing a program that replaces exclamation marks that are at there end of the string with Bork Bork Bork!!

I have tried using the replace() function but that replaces exclamation marks in the middle of a string. eg.

output = ("Hello! coder").replace("!", ". Bork Bork Bork!")

Would output

print(output)

Hello. Bork Bork Bork!! coder

When it should only replace "!" with "Bork Bork Bork" When it is at the END of a string.

Thank you.

asked Jun 02 '20 at 23:50

tian 2.0

`re.sub(r"!$", ". Bork Bork Bork!", s)` is that what you want? – ggorlen Jun 02 '20 at 23:52
ggorlen Could you please explain what this code does? re.sub(r"!$", ". Bork Bork Bork!", s) – tian 2.0 Jun 02 '20 at 23:57
Replaces using a regular expression anchored to the end of the string. Any regex tutorial will explain `$`. – ggorlen Jun 03 '20 at 00:02

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