polars.internals.series.StringNameSpace.count_match¶
- StringNameSpace.count_match(pattern: str) polars.internals.series.Series¶
Count all successive non-overlapping regex matches.
- Parameters
- pattern
A valid regex pattern
- Returns
- UInt32 array. Contain null if original value is null or regex capture nothing.
Examples
>>> s = pl.Series("foo", ["123 bla 45 asd", "xyz 678 910t"]) >>> # count digits >>> s.str.count_match(r"\d") shape: (2,) Series: 'foo' [u32] [ 5 6 ]