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// put into script.js
var http = require('http');
var srv = http.createServer(function (req, res) {
var str = "I am years old!";
var text;
if (str.match(/^(?=.*[a-zA-Z])(?=.*[0-9])/))
text = "String contains both!"
else
text = "Please type numeric and alphabetic characters!";
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end(text);
});
srv.listen(3000);
console.log("Listening to Port 3000");
// type into command prompt "node script.js"
// put this url http://localhost:3000/ into any browser
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