Improve nick highlights

src/client.js

@@ -144,6 +144,7 @@ Client.prototype.connect = function(args) {
 		ip: args.ip,
 		hostname: args.hostname,
 	});
+	network.setNick(nick);
 
 	client.networks.push(network);
 	client.emit("network", {

src/models/network.js

@@ -33,13 +33,34 @@ function Network(attr) {
 	);
 }
 
+Network.prototype.setNick = function(nick) {
+	this.nick = nick;
+	this.highlightRegex = new RegExp(
+		// Do not match characters and numbers (unless IRC color)
+		"(?:^|[^a-z0-9]|\x03[0-9]{1,2})" +
+
+		// Escape nickname, as it may contain regex stuff
+		nick.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&") +
+
+		// Do not match characters and numbers
+		"(?:[^a-z0-9]|$)",
+
+		// Case insensitive search
+		"i"
+	);
+};
+
 Network.prototype.toJSON = function() {
-	var json = _.extend(this, {nick: (this.irc && this.irc.user.nick) || ""});
-	return _.omit(json, "irc", "password");
+	return _.omit(this, [
+		"irc",
+		"password",
+		"highlightRegex"
+	]);
 };
 
 Network.prototype.export = function() {
 	var network = _.pick(this, [
+		"nick",
 		"name",
 		"host",
 		"port",
@@ -51,11 +72,12 @@ Network.prototype.export = function() {
 		"ip",
 		"hostname"
 	]);
-	network.nick = (this.irc && this.irc.user.nick) || "";
+
 	network.join = _.map(
 		_.filter(this.channels, {type: "channel"}),
 		"name"
 	).join(",");
+
 	return network;
 };
 

src/plugins/irc-events/message.js

@@ -64,9 +64,7 @@ module.exports = function(irc, network) {
 		// Self messages are never highlighted
 		// Non-self messages are highlighted as soon as the nick is detected
 		if (!highlight && !self) {
-			highlight = data.message.split(" ").some(function(w) {
-				return (w.replace(/^@/, "").toLowerCase().indexOf(irc.user.nick.toLowerCase()) === 0);
-			});
+			highlight = network.highlightRegex.test(data.message);
 		}
 
 		if (!self && chan.id !== client.activeChannel) {

src/plugins/irc-events/nick.js

@@ -6,6 +6,8 @@ module.exports = function(irc, network) {
 	irc.on("nick", function(data) {
 		var self = false;
 		if (data.nick === irc.user.nick) {
+			network.setNick(data.new_nick);
+
 			var lobby = network.channels[0];
 			var msg = new Msg({
 				text: "You're now known as " + data.new_nick,

src/plugins/irc-events/welcome.js

@@ -3,7 +3,8 @@ var Msg = require("../../models/msg");
 module.exports = function(irc, network) {
 	var client = this;
 	irc.on("registered", function(data) {
-		network.nick = data.nick;
+		network.setNick(data.nick);
+
 		var lobby = network.channels[0];
 		var msg = new Msg({
 			text: "You're now known as " + data.nick