str.len¶

ColExpr.str.len() → ColExpr[Int][source]¶

Computes the length of the string.

Leading and trailing whitespace is included in the length.

Examples

>>> t = pdt.Table(
...     {
...         "a": ["  BCD ", "-- 00", " A^^u", "-O2"],
...         "b": ["12431", "transform", "12__*m", "   "],
...     },
...     name="string table",
... )
>>> t >> mutate(j=t.a.str.len(), k=t.b.str.len()) >> show()
Table string table, backend: PolarsImpl
shape: (4, 4)
┌────────┬───────────┬─────┬─────┐
│ a      ┆ b         ┆ j   ┆ k   │
│ ---    ┆ ---       ┆ --- ┆ --- │
│ str    ┆ str       ┆ i64 ┆ i64 │
╞════════╪═══════════╪═════╪═════╡
│   BCD  ┆ 12431     ┆ 6   ┆ 5   │
│ -- 00  ┆ transform ┆ 5   ┆ 9   │
│  A^^u  ┆ 12__*m    ┆ 5   ┆ 6   │
│ -O2    ┆           ┆ 3   ┆ 3   │
└────────┴───────────┴─────┴─────┘