# is-hexadecimal [![Build Status][travis-badge]][travis] [![Coverage Status][codecov-badge]][codecov] Check if a character is hexadecimal. ## Installation [npm][]: ```bash npm install is-hexadecimal ``` ## Usage ```javascript var hexadecimal = require('is-hexadecimal'); hexadecimal('a'); //=> true hexadecimal('0'); //=> true hexadecimal('G'); //=> false hexadecimal('💩'); //=> false ``` ## API ### `hexadecimal(character|code)` Check whether the given character code (`number`), or the character code at the first position (`string`), is hexadecimal. ## Related * [`is-alphabetical`](https://github.com/wooorm/is-alphabetical) * [`is-alphanumerical`](https://github.com/wooorm/is-alphabetical) * [`is-decimal`](https://github.com/wooorm/is-decimal) * [`is-whitespace-character`](https://github.com/wooorm/is-whitespace-character) * [`is-word-character`](https://github.com/wooorm/is-word-character) ## License [MIT][license] © [Titus Wormer][author] [travis-badge]: https://img.shields.io/travis/wooorm/is-hexadecimal.svg [travis]: https://travis-ci.org/wooorm/is-hexadecimal [codecov-badge]: https://img.shields.io/codecov/c/github/wooorm/is-hexadecimal.svg [codecov]: https://codecov.io/github/wooorm/is-hexadecimal [npm]: https://docs.npmjs.com/cli/install [license]: LICENSE [author]: http://wooorm.com