startswith (Column)
Check if a string column starts with a substring.
Syntax
Python
startswith(other)
Parameters
Parameter | Type | Description |
|---|---|---|
| str or Column | String or Column containing the prefix to check |
Returns
Column (boolean)
Examples
Python
df = spark.createDataFrame(
[(2, "Alice"), (5, "Bob")], ["age", "name"])
df.filter(df.name.startswith('Al')).collect()
Output
# [Row(age=2, name='Alice')]
Python
df.filter(df.name.startswith('^Al')).collect()
Output
# []