array-has Array#includes with support for regular expressions. Installation $ npm install array-has --save Usage const has = require('array-has'); has([0, 1, 2], 2).should.equal(true);has(['a', 'b', 'c'], 'b').should.equal(true);has(['Hello', 'world'], /hello/i).should.equal(true); Tests $ make test License array-has is released under the MIT license.