python replace name for different random names

Question

I want to replace the sentences with different name and I do not know why it is does works

text="hi, my name is angle enrico, how is everything going?"
s = text.replace(r'hi, my name is\s+','')
print(s)

I want to have an output 'how is everything going?',but I am getting'hi, my name is angle enrico, how is everything going?' Anyone know how to solve it?

Answer 1

It looks like you are trying to use regex syntax in a non-regex context. What your code is currently doing is searching for the literal string hi, my name is\\s+ , which clearly does not exist in your input string.

What you need to do is write a regex that will capture the beginning of the string, and then pass that into the text.replace .

Answer 2

Try using:

s = text.replace('hi, my name is','')
print(' '.join(s.split()[2:]))

Or:

print(text.split(', ')[2])

Both reproduce:

how is everything going?

Answer 3

>>> text="hi, my name is angle enrico, how is everything going?"
>>> pre = text[text.index("hi, my name is ")+len("hi, my name is "):]
>>> pre
'angle enrico, how is everything going?'
>>> suf = pre[pre.index(", ")+len(", "):]
>>> suf
'how is everything going?'

Answer 4

You need to use a regex and the re module.

You want to replace the part of the string starting with 'Hi, my name is', followed by anything ( .* ), then a comma and at least one space ( ,\\s+ ).

If the end of the sentence can contain commas as well, you need to take the smallest possible 'anything', so you have to do it in a non-greedy way ( .*? ).

So, you could do:

import re

text="hi, my name is angle enrico, how is everything going?"

s = re.sub(r'hi, my name is .*?,\s+', '', text)
print(s)
#how is everything going?

It also works with a second comma further in the sentence:

text="hi, my name is fred,   I'm fine, thanks!"
s = re.sub(r'hi, my name is .*?,\s+', '', text)
print(s)
#I'm fine, thanks!