nxcals.api.extraction.data.builders.DataFrame.colRegex

DataFrame.colRegex(colName: str) → Column

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

New in version 2.3.0.

Parameters:

colName (str) – string, column name specified as a regex.

Examples

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