Acme.BookStore.HttpApi.Host/node_modules/to-regex/README.md
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# to-regex [](https://www.npmjs.com/package/to-regex) [](https://npmjs.org/package/to-regex) [](https://npmjs.org/package/to-regex) [](https://travis-ci.org/jonschlinkert/to-regex)
> Generate a regex from a string or array of strings.
Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
- [Install](#install)
- [Usage](#usage)
- [Options](#options)
* [options.contains](#optionscontains)
* [options.negate](#optionsnegate)
* [options.nocase](#optionsnocase)
* [options.flags](#optionsflags)
* [options.cache](#optionscache)
* [options.safe](#optionssafe)
- [About](#about)
* [Related projects](#related-projects)
* [Author](#author)
* [License](#license)
_(TOC generated by [verb](https://github.com/verbose/verb) using [markdown-toc](https://github.com/jonschlinkert/markdown-toc))_
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save to-regex
```
## Usage
```js
var toRegex = require('to-regex');
console.log(toRegex('foo'));
//=> /^(?:foo)$/
console.log(toRegex('foo', {negate: true}));
//=> /^(?:(?:(?!^(?:foo)$).)*)$/
console.log(toRegex('foo', {contains: true}));
//=> /(?:foo)/
console.log(toRegex(['foo', 'bar'], {negate: true}));
//=> /^(?:(?:(?!^(?:(?:foo)|(?:bar))$).)*)$/
console.log(toRegex(['foo', 'bar'], {negate: true, contains: true}));
//=> /^(?:(?:(?!(?:(?:foo)|(?:bar))).)*)$/
```
## Options
### options.contains
**Type**: `Boolean`
**Default**: `undefined`
Generate a regex that will match any string that _contains_ the given pattern. By default, regex is strict will only return true for exact matches.
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