terraform/website/docs/configuration/functions/replace.html.md

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---
layout: "functions"
page_title: "replace function"
sidebar_current: "docs-funcs-string-replace"
description: |-
The replace function searches a given string for another given substring,
and replaces all occurences with a given replacement string.
---
# `replace` Function
`replace` searches a given string for another given substring, and replaces
each occurence with a given replacement string.
```hcl
replace(string, substring, replacement)
```
## Examples
```
> replace("1 + 2 + 3", "+", "-")
1 - 2 - 3
```