daft.Expression.str.find

daft.Expression.str.find#

Expression.str.find(substr: str | daft.expressions.expressions.Expression) Expression[source]#

Returns the index of the first occurrence of the substring in each string

Note

The returned index is 0-based. If the substring is not found, -1 is returned.

Example

>>> col("x").str.find("foo")
Returns:

an Int64 expression with the index of the first occurrence of the substring in each string

Return type:

Expression