terraform/website/docs/language/functions/trimprefix.mdx

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---
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page_title: trimprefix - Functions - Configuration Language
description: |-
The trimprefix function removes the specified prefix from the start of a
given string.
---
# `trimprefix` Function
`trimprefix` removes the specified prefix from the start of the given string. If the string does not start with the prefix, the string is returned unchanged.
## Examples
```
> trimprefix("helloworld", "hello")
world
```
```
> trimprefix("helloworld", "cat")
helloworld
```
## Related Functions
2021-12-15 03:41:17 +01:00
* [`trim`](/language/functions/trim) removes characters at the start and end of a string.
* [`trimsuffix`](/language/functions/trimsuffix) removes a word from the end of a string.
* [`trimspace`](/language/functions/trimspace) removes all types of whitespace from
both the start and the end of a string.