Python String replace() method

Python String replace() method

The string.replace() method in Python returns a copy of the string with all occurrences of substring old replaced by new.

Syntax

replace(old, new[, count])

Parameter

old: This parameter represents a substring you want to replace.

new: This parameter represents a substring which would replace the old substring.

count(optional): It signifies the number of times you want to replace the old substring with the new substring.

Return

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

Example 1

 # Python program explaining
 # the string.replace() method
 # initializing the String
 string ="Virat Kohli is my favourite cricketer."
 print("Actual string:",string)
 # replacing virat kohli with Ms Dhoni
 val = string.replace("Virat Kohli", "Ms Dhoni")
 print("After replacing the string: ")
 # printing the replaced string
 print(val) 

Output

 Actual string: Virat Kohli is my favourite cricketer.
 After replacing the string: 
 Ms Dhoni is my favourite cricketer. 

Example 2

 # Python program explaining
 # the string.replace() method
 # initializing the String
 string ="She sells seashells by the seashore"
 print("Actual string:",string)
 # replacing virat kohli with Ms Dhoni
 val = string.replace("e", "i")
 print("After replacing the string... ")
 # printing the replaced string
 print(val)
 # replacing only the first two 'e' with 'i'
 val = string.replace("e", "i",2)
 print("After replacing only the first 2 'e' characters... ")
 # printing the replaced string
 print(val) 

Output

 Actual string: She sells seashells by the seashore
 After replacing the string... 
 Shi sills siashills by thi siashori
 After replacing only the first 2 'e' characters... 
 Shi sills seashells by the seashore