daft.Expression.str.startswith

daft.Expression.str.startswith#

Expression.str.startswith(prefix: str | daft.expressions.expressions.Expression) Expression[source]#

Checks whether each string starts with the given pattern in a string column

Example

>>> col("x").str.startswith(col("foo"))
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 starts with the provided pattern

Return type:

Expression