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regex-color-hexadecimal

1.0.0 • Public • Published

Hexadecimal Color

NPM version Build Status Coverage Status Dependencies

Regular expression to test for a hexadecimal color.

Installation

$ npm install regex-color-hexadecimal

Usage

var re = require( 'regex-color-hexadecimal' );

re

Regular expression to test for a hexadecimal color.

var bool = re.test( 'ffffff' );
// returns true
 
bool = re.test( '000' );
// returns false

re.shorthand

Regular expression to test for a shorthand hexadecimal color.

var bool = re.test( '000' );
// returns true

re.either

Regular expression to test for either a shorthand or full length hexadecimal color.

var bool = re.test( '474747' );
// returns true
 
bool = re.test( '000' );
// returns true

Examples

var re = require( 'regex-color-hexadecimal' );
 
function isHex( value, len ) {
    if ( len === 3 ) {
        return re.shorthand.test( value );
    }
    if ( len === 6 ) {
        return re.test( value );
    }
    return re.either.test( value );
}
 
console.log( isHex( 'ffffff' ) );
// returns true
 
console.log( isHex( '474747' ) );
// returns true
 
console.log( isHex( '0A5BBE', 6 ) );
// returns true
 
console.log( isHex( '000' ) );
// returns true
 
console.log( isHex( 'F7b', 3 ) );
// returns true
 
console.log( isHex( 'abcd' ) );
// returns false
 
console.log( isHex( '' ) );
// returns false
 
console.log( isHex( null ) );
// returns false

To run the example code from the top-level application directory,

$ node ./examples/index.js

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ make view-cov

License

MIT license.

Copyright

Copyright © 2015. Athan Reines.

install

npm i regex-color-hexadecimal

Downloadsweekly downloads

3

version

1.0.0

license

MIT

homepage

github.com

repository

Gitgithub

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