polars.Series.cat.starts_with#
- Series.cat.starts_with(prefix: str) Series [source]#
Check if string representations of values start with a substring.
- Parameters:
- prefix
Prefix substring.
See also
contains
Check if the string repr contains a substring that matches a pattern.
ends_with
Check if string repr ends with a substring.
Examples
>>> s = pl.Series("fruits", ["apple", "mango", None], dtype=pl.Categorical) >>> s.cat.starts_with("app") shape: (3,) Series: 'fruits' [bool] [ true false null ]