shebang-regex 

Regular expression for matching a shebang) line

Install

$ npm install shebang-regex

Usage

const shebangRegex = require('shebang-regex');
const string = '#!/usr/bin/env node\nconsole.log("unicorns");';
shebangRegex.test(string);
//=> true
shebangRegex.exec(string)[0];
//=> '#!/usr/bin/env node'
shebangRegex.exec(string)[1];
//=> '/usr/bin/env node'

License

MIT © Sindre Sorhus