# Delete/Keep columns by name[¶](https://doc.dataiku.com/dss/latest/preparation/processors/columns-select.html#delete-keep-columns-by-name "Permalink to this headline")

Select one or more columns and either keep or remove them.

## Options[¶](https://doc.dataiku.com/dss/latest/preparation/processors/columns-select.html#options "Permalink to this headline")

**Column**

Apply the matching condition to the following:

* A single column

* An explicit list of columns

* All columns matching a regex pattern

* All columns
