Regular expression for matching a shebang line
$ npm install shebang-regex
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'
MIT © Sindre Sorhus