str.replace

Returns a copy of a string with one piece of text swapped for another.

Synopsis

text.replace(old, new)

Description

replace changes every place old appears. It is case-sensitive.

Parameters

Return value

A new str.

Example

print("I like cats".replace("cats", "dogs"))
print("a b c".replace(" ", ""))
print("banana".replace("a", "o"))

It prints:

I like dogs
abc
bonono

Common mistake

print("Hello".replace("h", "J"))

It prints:

Hello

Nothing changed, because "h" and "H" are different characters.

See also

str.strip, str.lower

str.replace in the Python documentation