regex-not
    DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/regex-not package

    1.0.2 • Public • Published

    regex-not NPM version NPM monthly downloads NPM total downloads Linux Build Status

    Create a javascript regular expression for matching everything except for the given string.

    Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your ❤️ and support.

    Install

    Install with npm:

    $ npm install --save regex-not

    Usage

    var not = require('regex-not');

    The main export is a function that takes a string an options object.

    not(string[, options]);

    Example

    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"):

    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:

    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"):

    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

    Contributing

    Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

    Running Tests

    Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:

    $ npm install && npm test
    Building docs

    (This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

    To generate the readme, run the following command:

    $ npm install -g verbose/verb#dev verb-generate-readme && verb

    Related projects

    You might also be interested in these projects:

    • regex-cache: Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of… more | homepage
    • to-regex: Generate a regex from a string or array of strings. | homepage

    Contributors

    Commits Contributor
    9 jonschlinkert
    1 doowb
    1 EdwardBetts

    Author

    Jon Schlinkert

    License

    Copyright © 2018, Jon Schlinkert. Released under the MIT License.


    This file was generated by verb-generate-readme, v0.6.0, on February 19, 2018.

    Install

    npm i regex-not

    DownloadsWeekly Downloads

    17,965,762

    Version

    1.0.2

    License

    MIT

    Unpacked Size

    8.46 kB

    Total Files

    4

    Last publish

    Collaborators

    • jonschlinkert