/usr/share/doc/node-regex-not/README.md is in node-regex-not 1.0.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | # regex-not [](https://www.npmjs.com/package/regex-not) [](https://npmjs.org/package/regex-not) [](https://travis-ci.org/jonschlinkert/regex-not)
> Create a javascript regular expression for matching everything except for the given string.
## Install
Install with [npm](https://www.npmjs.com/):
```sh
$ npm install --save regex-not
```
## Usage
```js
var not = require('regex-not');
```
The main export is a function that takes a string an options object.
```js
not(string[, options]);
```
**Example**
```js
var not = require('regex-not');
console.log(not('foo'));
//=> /^(?:(?!^(?:foo)$).)+$/
```
**Strict matching**
By default, the returned regex is for strictly (not) matching the exact given pattern (in other words, "match this string if it does NOT _exactly equal_ `foo`"):
```js
var re = not('foo');
console.log(re.test('foo')); //=> false
console.log(re.test('bar')); //=> true
console.log(re.test('foobar')); //=> true
console.log(re.test('barfoo')); //=> true
```
### .create
Returns a string to allow you to create your own regex:
```js
console.log(not.create('foo'));
//=> '(?:(?!^(?:foo)$).)+'
```
### Options
**options.contains**
You can relax strict matching by setting `options.contains` to true (in other words, "match this string if it does NOT _contain_ `foo`"):
```js
var re = not('foo');
console.log(re.test('foo', {contains: true})); //=> false
console.log(re.test('bar', {contains: true})); //=> true
console.log(re.test('foobar', {contains: true})); //=> false
console.log(re.test('barfoo', {contains: true})); //=> false
```
## About
### Related projects
* [regex-cache](https://www.npmjs.com/package/regex-cache): Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of… [more](https://github.com/jonschlinkert/regex-cache) | [homepage](https://github.com/jonschlinkert/regex-cache "Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of the same string and options, resulting in suprising performance improvements.")
* [to-regex](https://www.npmjs.com/package/to-regex): Generate a regex from a string or array of strings. | [homepage](https://github.com/jonschlinkert/to-regex "Generate a regex from a string or array of strings.")
### Contributing
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
### Building docs
_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_
To generate the readme and API documentation with [verb](https://github.com/verbose/verb):
```sh
$ npm install -g verb verb-generate-readme && verb
```
### Running tests
Install dev dependencies:
```sh
$ npm install -d && npm test
```
### Author
**Jon Schlinkert**
* [github/jonschlinkert](https://github.com/jonschlinkert)
* [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
### License
Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert).
Released under the [MIT license](https://github.com/jonschlinkert/regex-not/blob/master/LICENSE).
***
_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.31, on October 07, 2016._
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