Python String | replace() method with Examples

by Online Tutorials Library July 22, 2022

Python String replace() Method

Return a copy of the string with all occurrences of substring old replaced by new. If the optional argument count is given, only the first count occurrences are replaced.

Signature

Parameters

old : An old string which will be replaced.

new : New string which will replace the old string.

count : The number of times to process the replace.

Return

It returns string

Let’s see some examples of replace() method to understand it’s functionality.

Python String replace() Method Example 1

  # Python replace() method example  # Variable declaration  str = “Java is a programming language”  # Calling function  str2 = str.replace(“Java”,”C”)  # Displaying result  print(“Old String: n”,str)  print(“New String: n”,str2)  

Output:

Old String:    Java is a programming language  New String:    C is a programming language

Python String replace() Method Example 2

  # Python replace() method example  # Variable declaration  str = “Java C C# Java Php Python Java”  # Calling function  str2 = str.replace(“Java”,”C#”) # replaces all the occurences  # Displaying result  print(“Old String: n”,str)  print(“New String: n”,str2)  # Calling function  str2 = str.replace(“Java”,”C#”,1) # replaces first occurance only  # Displaying result  print(“n Old String: n”,str)  print(“New String: n”,str2)  

Output:

Old String:    Java C C# Java Php Python Java  New String:    C# C C# C# Php Python C#     Old String:    Java C C# Java Php Python Java  New String:    C# C C# Java Php Python Java

Python String replace() Method Example 3

  # Python replace() method example  # Variable declaration  str = “Apple is a fruit”  # calling function  str2 = str.replace(str,”Tomato is also a fruit”)  # displaying result  print(str2)  

Output:

Tomato is also a fruit

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Python String | replace() method with Examples

Python String replace() Method

Signature

Parameters

Return

Python String replace() Method Example 1

Python String replace() Method Example 2

Python String replace() Method Example 3

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