how to do replacement of mulile string with multiple values in regex python-CodePudding

Given the following string: """ All I want is a proper cup of coffee Made in a proper copper coffee pot I may be off my dot But I want a cup of coffee From a proper coffee pot Tin coffee pots and iron coffee pots They’re no use to me If I can’t have a proper cup of coffee In a proper copper coffee pot I’ll have a cup of tea. """ Using regular expressions, i need to write a function that highlight the words “coffee”,“pot” or “pots” if they appear at the end of a line so the patter i tried is coffee$|pot$|pots$ ( since $ is used for endwith)

if i do in regex101 it s highlighting all the required words

hoewever output in jupyter notebook is

'All I want is a proper cup of coffee\nMade in a proper copper coffee pot\nI may be off my dot\nBut I want a cup of coffee\nFrom a proper coffee pot\nTin coffee pots and iron coffee pots\nThey’re no use to me\nIf I can’t have a proper cup of coffee\nIn a proper copper coffee pot\nI’ll have a cup of tea'

i tried with coffee$ coffee$\n coffee\n$ nothing works here. if i use .replace("\n", " ") it its taking as whole string. how to handle \n in jupyter notebook

tried in regex101

CodePudding user response：

I'm not sure what you mean by "highlight", but here's an example of a RegEx that matches all instances "coffee", "pot", and "pots" at the end of a line:

import re

string = """
All I want is a proper cup of coffee
Made in a proper copper coffee pot
I may be off my dot
But I want a cup of coffee
From a proper coffee pot
Tin coffee pots and iron coffee pots
They’re no use to me
If I can’t have a proper cup of coffee
In a proper copper coffee pot
I’ll have a cup of tea.
"""

pattern = re.compile(r'(coffee|pots?)(?:\n)')
print(re.findall(pattern, string))

See here for a breakdown of the RegEx pattern used.