https://github.com/shinnn/non-4byte-chars-regex

Regular expression that matches a string with no 4-byte characters
https://github.com/shinnn/non-4byte-chars-regex

Last synced: about 1 month ago
JSON representation

Regular expression that matches a string with no 4-byte characters

• Host: GitHub
• URL: https://github.com/shinnn/non-4byte-chars-regex
• Owner: shinnn
• License: unlicense
• Created: 2016-11-08T10:11:59.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2016-11-08T10:20:41.000Z (about 9 years ago)
• Last Synced: 2025-09-04T11:28:05.024Z (2 months ago)
• Language: JavaScript
• Homepage:
• Size: 2.93 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# non-4byte-chars-regex

[![NPM version](https://img.shields.io/npm/v/non-4byte-chars-regex.svg)](https://www.npmjs.com/package/non-4byte-chars-regex)

[![Bower version](https://img.shields.io/bower/v/non-4byte-chars-regex.svg)](https://github.com/shinnn/non-4byte-chars-regex/releases)

[![Build Status](https://travis-ci.org/shinnn/non-4byte-chars-regex.svg?branch=master)](https://travis-ci.org/shinnn/non-4byte-chars-regex)

[![devDependencies Status](https://david-dm.org/shinnn/non-4byte-chars-regex/dev-status.svg)](https://david-dm.org/shinnn/non-4byte-chars-regex?type=dev)

[Regular expression](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp) which matches a string with no [4-byte characters](https://github.com/shinnn/is-4byte-char/)

```javascript

/^(?:[\0-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*$/

```

## Installation

### [npm](https://www.npmjs.com/)

```

npm install non-4byte-chars-regex

```

### [bower](https://bower.io/)

```

bower install non-4byte-chars-regex

```

## API

### non4byteCharsRegex

Type: `RegExp`

```javascript

import non4byteCharsRegex from 'non-4byte-chars-regex';

non4byteCharsRegex.test('foo'); //=> true

non4byteCharsRegex.test('bar🍣baz'); //=> false

non4byteCharsRegex.test('吉'); //=> true

non4byteCharsRegex.test('𠮷'); //=> false

```

## License

[The Unlicense](./LICENSE)