polars.internals.expr.ExprStringNameSpace.decode¶
- ExprStringNameSpace.decode(encoding: str, strict: bool = False) polars.internals.expr.Expr¶
Decodes a value using the provided encoding
- Parameters
- encoding
‘hex’ or ‘base64’
- strict
how to handle invalid inputs - True: method will throw error if unable to decode a value - False: unhandled values will be replaced with None
Examples
>>> df = pl.DataFrame({"encoded": ["666f6f", "626172", None]}) >>> df.select(pl.col("encoded").str.decode("hex")) shape: (3, 1) ┌─────────┐ │ encoded │ │ --- │ │ str │ ╞═════════╡ │ foo │ ├╌╌╌╌╌╌╌╌╌┤ │ bar │ ├╌╌╌╌╌╌╌╌╌┤ │ null │ └─────────┘