nushell/docs/commands/dfr_replace.md

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---
title: dfr replace
layout: command
version: 0.59.1
---
Replace the leftmost (sub)string by a regex pattern
## Signature
```> dfr replace --pattern --replace```
## Parameters
- `--pattern {string}`: Regex pattern to be matched
- `--replace {string}`: replacing string
## Examples
Replaces string
```shell
> [abc abc abc] | dfr to-df | dfr replace -p ab -r AB
```