How to replace a substring in python?

Question

If there is an example phrase like,

A guy named Rajesh Kumar Singh came to meet me yesterday.

I have to remove the name of "Secret agent" from this string, transforming the string like this:

A guy named XXXX came to meet me yesterday.

I have the logic of identifying the name in string, I am stuck at the string manipulation, to remove word number 4,5,6 from the original string and replacing it with XXXX.

Would the input always start with A guy named <some name>, or are there other variations? Also, can you include your current Python script in your question? — Tim Biegeleisen
– Tim Biegeleisen, Commented May 24, 2021 at 10:25
No, but the logic of finding the name is well in place. As mentioned in the problem, i need help with string manipulation. — Ayush Pallav
– Ayush Pallav, Commented May 24, 2021 at 10:27

Ashutosh Narayan Jha · Accepted Answer · 2021-05-24 10:40:44Z

1

Once we know the name to be replaced, then using replace method we can make it 
   
userText = "A guy named Rajesh Kumar Singh came to meet me yesterday."
name = "Rajesh Kumar Singh"
replacedName = "XXXXX YYYY ZZ"
userText.replace(name, replacedName)
'A guy named XXXXX YYYY ZZ came to meet me yesterday.'

answered May 24, 2021 at 10:40

Ashutosh Narayan Jha

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Tim Biegeleisen · Accepted Answer · 2021-05-24 10:28:38Z

1

Assuming the text would always start with the phrase A guy named <some name>, we can try using re.sub here as follows:

inp = "A guy named Rajesh Kumar Singh came to meet me yesterday."
output = re.sub(r'^A guy named(?: [A-Z][a-z]*)+', 'A guy named XXXX', inp)
print(output)  # A guy named XXXX came to meet me yesterday.

answered May 24, 2021 at 10:28

Tim Biegeleisen

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