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Python String | replace() method with Examples

Python String replace() method with Examples on capitalize(), center(), count(), encode(), find(), format(), index(), join(), lower(), ljust(), isupper(), istitle(), isspace(), isprintable(), isnumeric(), islower() etc.

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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

replace(old, new[, count])

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

Next TopicPython Strings




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