Replaces occurrences of a substring within a string
Usage
The replace() method returns a copy of string with all occurrences of old substring replaced by new.
By default, all occurrences of the substring are removed. However, you can limit the number of replacements by specifying optional parameter count.
Syntax
string.replace(old,new,count)
| Parameter | Condition | Description |
| old | Required | A string you want to replace |
| new | Required | A string you want to replace old string with |
| count | Optional | An integer specifying number of replacements to perform Default is all occurrences |
Examples
# Replace substring 'World' with 'Universe'
S = 'Hello, World!'
x = S.replace('World','Universe')
print(x)
# Prints Hello, Universe!By default, the method replaces all occurrences of the specified substring.
# Replace all occurrence of the substring 'Long'
S = 'Long, Longer, Longest'
x = S.replace('Long','Small')
print(x)
# Prints Small, Smaller, SmallestIf the optional argument count is specified, only the first count occurrences are replaced.
# Replace first two occurrence of the substring 'Long'
S = 'Long, Longer, Longest'
x = S.replace('Long','Small', 2)
print(x)
# Prints Small, Smaller, Longest