﻿---
title: ES|QL REVERSE function
description: 
url: https://www.elastic.co/elastic/docs-builder/docs/2838/reference/query-languages/esql/functions-operators/string-functions/reverse
products:
  - Elasticsearch
---

# ES|QL REVERSE function
## Syntax

![Embedded](https://www.elastic.co/elastic/docs-builder/docs/2838/reference/query-languages/esql/images/functions/reverse.svg)


## Parameters

<definitions>
  <definition term="str">
    String expression. If `null`, the function returns `null`.
  </definition>
</definitions>


## Description

Returns a new string representing the input string in reverse order.

## Supported types


| str     | result  |
|---------|---------|
| keyword | keyword |
| text    | keyword |


## Examples

```esql
ROW message = "Some Text" | EVAL message_reversed = REVERSE(message);
```


| message:keyword | message_reversed:keyword |
|-----------------|--------------------------|
| Some Text       | txeT emoS                |

`REVERSE` works with unicode, too! It keeps unicode grapheme clusters together during reversal.
```esql
ROW bending_arts = "💧🪨🔥💨" | EVAL bending_arts_reversed = REVERSE(bending_arts);
```


| bending_arts:keyword | bending_arts_reversed:keyword |
|----------------------|-------------------------------|
| 💧🪨🔥💨             | 💨🔥🪨💧                      |