polars.Expr.str.to_titlecase

Expr.str.to_titlecase() → Expr

Transform to titlecase variant.

Examples

>>> df = pl.DataFrame(
...     {"sing": ["welcome to my world", "THERE'S NO TURNING BACK"]}
... )
>>> df.with_columns(foo_title=pl.col("sing").str.to_titlecase())
shape: (2, 2)
┌─────────────────────────┬─────────────────────────┐
│ sing                    ┆ foo_title               │
│ ---                     ┆ ---                     │
│ str                     ┆ str                     │
╞═════════════════════════╪═════════════════════════╡
│ welcome to my world     ┆ Welcome To My World     │
│ THERE'S NO TURNING BACK ┆ There's No Turning Back │
└─────────────────────────┴─────────────────────────┘