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- # decamelize [](https://travis-ci.org/sindresorhus/decamelize)
- > Convert a camelized string into a lowercased one with a custom separator<br>
- > Example: `unicornRainbow` → `unicorn_rainbow`
- ## Install
- ```
- $ npm install --save decamelize
- ```
- ## Usage
- ```js
- const decamelize = require('decamelize');
- decamelize('unicornRainbow');
- //=> 'unicorn_rainbow'
- decamelize('unicornRainbow', '-');
- //=> 'unicorn-rainbow'
- ```
- ## API
- ### decamelize(input, [separator])
- #### input
- Type: `string`
- #### separator
- Type: `string`<br>
- Default: `_`
- ## Related
- See [`camelcase`](https://github.com/sindresorhus/camelcase) for the inverse.
- ## License
- MIT © [Sindre Sorhus](https://sindresorhus.com)
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