How to use the Python string replace() method?

The python string replace() method is a built-in function in python programming language. It returns a copy of the string where all occurrences of a substring is replaced with another substring.

Syntax of Python string replace():

string.replace(old, new, count)

String replace() method parameters:

old – old substring you want to replace.
new – new substring which would replace the old substring.

count – the number of times you want to replace the old substring with the new substring.

Return Value :

It returns a copy of the string where all occurrences of a substring is replaced with another substring.

Note:

  • If count is not specified then all the occurrences of the old substring are replaced with the new substring.
  • This method returns the copy of the string i.e. it does not changes the original string.

Below is the code illustration replace() :

Demonstration-1 String replace():

# Python3 program to demonstrate the
# use of replace() method

string = "techhub for techhub techhub techhub techhub"

# Prints the string by replacing all
# geeks by Geeks
print(string.replace("techhub", "Techhub"))

# Prints the string by replacing only
# 3 occurrence of Geeks
print(string.replace("techhub", "LingarajTechhub", 3))

Output :

Techhub for Techhub Techhub Techhub Techhub

Demonstration-2 String replace():

# Python3 program to demonstrate the
# use of replace() method

string = "Techhub for techhub techhub techhub techhub"

# Prints the string by replacing
# e by o
print(string.replace("e", "o"))

# Prints the string by replacing only
# 3 occurrence of ek by o
print(string.replace("ec", "o", 3))

Output:

Tochhub for tochhub tochhub tochhub tochhub
Tohhub for tohhub tohhub tohhub tohhub

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Lingaraj Senapati
Hey There! I am Lingaraj Senapati, the Co-founder of lingarajtechhub.com My skills are Freelance, Web Developer & Designer, Corporate Trainer, Digital Marketer & Youtuber.
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