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# is-alphanumeric [](https://travis-ci.org/arthurvr/is-alphanumeric) > Check if a string only contains alphanumeric characters ## Install ``` $ npm install --save is-alphanumeric ``` ## Usage ```js var isAlphanumeric = require('is-alphanumeric'); isAlphanumeric('unicorns'); //=> true isAlphanumeric('55'); //=> true isAlphanumeric('ABC'); //=> true isAlphanumeric('*unicorns'); //=> false isAlphanumeric('{unicorns}'); //=> false isAlphanumeric(' '); //=> false ``` ## License MIT © [Arthur Verschaeve](http://arthurverschaeve.be)