daft.expressions.expressions.ExpressionStringNamespace.startswith

ExpressionStringNamespace.startswith(prefix: str) → daft.expressions.expressions.Expression

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