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			# leven [![Build Status](https://travis-ci.org/sindresorhus/leven.svg?branch=master)](https://travis-ci.org/sindresorhus/leven)

			> Measure the difference between two strings<br>
			> One of the fastest JS implementations of the [Levenshtein distance](https://en.wikipedia.org/wiki/Levenshtein_distance) algorithm


			## Install

			```
			$ npm install leven
			```


			## Usage

			```js
			const leven = require('leven');

			leven('cat', 'cow');
			//=> 2
			```


			## Benchmark

			```
			$ npm run bench
			```

			```
			165,926 op/s » leven
			164,398 op/s » talisman
			1,044 op/s » levenshtein-edit-distance
			628 op/s » fast-levenshtein
			497 op/s » levenshtein-component
			195 op/s » ld
			190 op/s » levenshtein
			168 op/s » levdist
			10 op/s » natural
			```


			## Related

			- [leven-cli](https://github.com/sindresorhus/leven-cli) - CLI for this module


			## License

			MIT © [Sindre Sorhus](https://sindresorhus.com)

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