daft.Expression.str.contains#
- Expression.str.contains(substr: str | daft.expressions.expressions.Expression) Expression[source]#
Checks whether each string contains the given pattern in a string column
Example
>>> import daft >>> df = daft.from_pydict({"x": ["foo", "bar", "baz"]}) >>> df = df.select(df["x"].str.contains("o")) >>> df.show() ╭─────────╮ │ x │ │ --- │ │ Boolean │ ╞═════════╡ │ true │ ├╌╌╌╌╌╌╌╌╌┤ │ false │ ├╌╌╌╌╌╌╌╌╌┤ │ false │ ╰─────────╯ (Showing first 3 of 3 rows)
- Parameters:
pattern – pattern to search for as a literal string, or as a column to pick values from
- Returns:
a Boolean expression indicating whether each value contains the provided pattern
- Return type:
Expression