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

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---
layout: "language"
page_title: "trim - Functions - Configuration Language"
sidebar_current: "docs-funcs-string-trim"
description: |-
The trim function removes the specified characters from the start and end of
a given string.
---
# `trim` Function
-> **Note:** This page is about Terraform 0.12 and later. For Terraform 0.11 and
earlier, see
[0.11 Configuration Language: Interpolation Syntax](../../configuration-0-11/interpolation.html).
`trim` removes the specified characters from the start and end of the given
string.
## Examples
```
> trim("?!hello?!", "!?")
hello
```
## Related Functions
* [`trimprefix`](./trimprefix.html) removes a word from the start of a string.
* [`trimsuffix`](./trimsuffix.html) removes a word from the end of a string.
* [`trimspace`](./trimspace.html) removes all types of whitespace from
both the start and the end of a string.