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# Path-to-RegExp
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Turn an Express-style path string such as `/user/:name` into a regular expression.
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**Note:** This is a legacy branch. You should upgrade to `1.x`.
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## Usage
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```javascript
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var pathToRegexp = require('path-to-regexp');
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```
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### pathToRegexp(path, keys, options)
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- **path** A string in the express format, an array of such strings, or a regular expression
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- **keys** An array to be populated with the keys present in the url. Once the function completes, this will be an array of strings.
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- **options**
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- **options.sensitive** Defaults to false, set this to true to make routes case sensitive
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- **options.strict** Defaults to false, set this to true to make the trailing slash matter.
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- **options.end** Defaults to true, set this to false to only match the prefix of the URL.
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```javascript
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var keys = [];
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var exp = pathToRegexp('/foo/:bar', keys);
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//keys = ['bar']
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//exp = /^\/foo\/(?:([^\/]+?))\/?$/i
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```
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## Live Demo
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You can see a live demo of this library in use at [express-route-tester](http://forbeslindesay.github.com/express-route-tester/).
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## License
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MIT
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