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1# Path-to-RegExp
2
3Turn an Express-style path string such as `/user/:name` into a regular expression.
4
5**Note:** This is a legacy branch. You should upgrade to `1.x`.
6
7## Usage
8
9```javascript
10var pathToRegexp = require('path-to-regexp');
11```
12
13### pathToRegexp(path, keys, options)
14
15 - **path** A string in the express format, an array of such strings, or a regular expression
16 - **keys** An array to be populated with the keys present in the url. Once the function completes, this will be an array of strings.
17 - **options**
18 - **options.sensitive** Defaults to false, set this to true to make routes case sensitive
19 - **options.strict** Defaults to false, set this to true to make the trailing slash matter.
20 - **options.end** Defaults to true, set this to false to only match the prefix of the URL.
21
22```javascript
23var keys = [];
24var exp = pathToRegexp('/foo/:bar', keys);
25//keys = ['bar']
26//exp = /^\/foo\/(?:([^\/]+?))\/?$/i
27```
28
29## Live Demo
30
31You can see a live demo of this library in use at [express-route-tester](http://forbeslindesay.github.com/express-route-tester/).
32
33## License
34
35 MIT
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