polars str-replace-all for dataframe
Replace all (sub)strings by a regex pattern.
Signature
> polars str-replace-all {flags}
Flags
--pattern, -p {string}: Regex pattern to be matched--replace, -r {string}: replacing string
Input/output types:
| input | output |
|---|---|
| polars_dataframe | polars_dataframe |
| polars_lazyframe | polars_lazyframe |
| polars_expression | polars_expression |
Examples
Replaces string in a column
> [[a]; [abac] [abac] [abac]] | polars into-df | polars select (polars col a | polars str-replace-all --pattern a --replace A) | polars collect
╭───┬──────╮
│ # │ a │
├───┼──────┤
│ 0 │ AbAc │
│ 1 │ AbAc │
│ 2 │ AbAc │
╰───┴──────╯Replaces string
> [abac abac abac] | polars into-df | polars str-replace-all --pattern a --replace A
╭───┬──────╮
│ # │ 0 │
├───┼──────┤
│ 0 │ AbAc │
│ 1 │ AbAc │
│ 2 │ AbAc │
╰───┴──────╯