> ## Documentation Index
> Fetch the complete documentation index at: https://kumo.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# NOT CONTAINS

#### `<expression> NOT CONTAINS <value>`

## Description

Evaluates to True if the value returned by `<expression>` does not have `<value>` as a substring at any point. `<expression>` can be `<table>.<column>` or `AGG(<table>.<column>, <start>, <end>)`.

This operator can only be applied to `text` columns.

### Example

<CodeGroup>
  ```Text PQL theme={null}
  ARTICLES.DESCRIPTION NOT CONTAINS 'polyester'
  ```
</CodeGroup>