polars str-split for dataframe
Split the string by a substring. The resulting dtype is list<str>.
Signature
> polars str-split {flags} (expr)
Parameters
-
expr: Separator expression.
Input/output types:
| input | output |
|---|---|
| polars_expression | polars_expression |
| polars_selector | polars_expression |
Examples
Split the string by comma, then create a new row for each string
> [[a]; ["one,two,three"]] | polars into-df
| polars select (polars col a | polars str-split "," | polars explode)
| polars collect
╭───┬───────╮
│ # │ a │
├───┼───────┤
│ 0 │ one │
│ 1 │ two │
│ 2 │ three │
╰───┴───────╯
Copyright © 2019–2026 The Nushell Project DevelopersLicensed under the MIT License.
https://www.nushell.sh/commands/docs/polars_str-split.html
