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colRegex

Selects column based on the column name specified as a regex and returns it as Column.

Syntax

colRegex(colName: str)

Parameters

Parameter Type Description
colName str string, column name specified as a regex.

Returns

Column

Examples

df = spark.createDataFrame([("a", 1), ("b", 2), ("c",  3)], ["Col1", "Col2"])
df.select(df.colRegex("`(Col1)?+.+`")).show()
# +----+
# |Col2|
# +----+
# |   1|
# |   2|
# |   3|
# +----+