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Contents
# leven [](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)
Version data entries
30 entries across 30 versions & 5 rubygems