polars.Series.str.replace#

Series.str.replace(pattern: str, value: str, literal: bool = False) Series[source]#

Replace first matching regex/literal substring with a new string value.

Parameters:
pattern

A valid regex pattern.

value

Substring to replace.

literal

Treat pattern as a literal string.

See also

replace_all

Replace all matching regex/literal substrings.

Examples

>>> s = pl.Series(["123abc", "abc456"])
>>> s.str.replace(r"abc\b", "ABC")  
shape: (2,)
Series: '' [str]
[
    "123ABC"
    "abc456"
]