uses regex to find email addresses on a page

emailCollector.js

// Returns a list of emails for every page on the domains of the URL list

var EightyApp = function() {
	this.processDocument = function(html, url, headers, status, jQuery) {
		var app = this;
		$ = jQuery;
		var $html = app.parseHtml(html, $);
		var object = {};

		// Get emails
		var emailList = [];
		emailList = html.match(/[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9]+)*(\.[a-z]{2,})/gi);
		object.emailList = emailList;

		return JSON.stringify(object);
	}

	this.parseLinks = function(html, url, headers, status, jQuery) {
		var app = this;
		var $ = jQuery;
		var $html = app.parseHtml(html, $);
		var links = [];

		var r = /:\/\/(.[^/]+)/;
		var urlDomain = url.match(r)[1]

		// gets all links in the html document
		$html.find('a').each(function(i, obj) {
			// console.log($(this).attr('href'));
			var link = app.makeLink(url, $(this).attr('href'));

			if (link != null) {
                var linkDomain = link.match(r);
	            if (linkDomain && linkDomain.length > 1) {
	                linkDomain = linkDomain[1];
				    if (urlDomain == linkDomain)
				        links.push(link);
	            }
			}
		});

		return links;
	}
}

try {
	// Testing
	module.exports = function(EightyAppBase) {
		EightyApp.prototype = new EightyAppBase();
		return new EightyApp();
	}
} catch(e) {
	// Production
	console.log("Eighty app exists.");
	EightyApp.prototype = new EightyAppBase();
}