polars str-split

Split the string by a substring. The resulting dtype is list<str>.

warning This command requires a plugin The polars str-split command resides in the polars plugin. To use this command, you must install and register nu_plugin_polars. See the Plugins chapter in the book for more information.

Command Type

plugin

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 │
╰───┴───────╯

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