email regex verify has some problems

[asukaminato0721]

for example, [email protected] can't pass it.

web-MiniComment/minicomment_api.js

Lines 144 to 148 in 1d291da

	var email_reg = /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/;
	if(!email_reg.test(email)){
	res.writeHead(400, {message:"Invalid argument, Email invalid!"})
	res.end()
	return;