The length check >= 5 does not do anything rearly as with a .com you
already have 4 characters so it allows b.com which is not possible. But
if you change the 5 to 6 it stops two letter domains for two letter
extensions. As for the 62 maximum size I've solved this problem with
html setting th
Hey, the problem seems to be with the {2,63} bit, so I've rewritten
your code (again), it's not as strict as before but it's a lot faster
now because it tests string length rather than regex lengths:
$(document).ready(function(){
var reg = /^[a-z0-9]+[a-z0-9\-\.]*\.[a-z]{2,4}$/i;
$('input#dom
Your code is alot better than mine and the use of test instead of match is
better too. However I still have the same problem, even with your code with
Firefox after 16 characters even typed slowley, Firefox becomes slow and
after 20-25 characters it even blocks... Is this a bug with firefox or wi
I've simplified your code for you and sped up your testing by using
the regular expression "test()" method
$(document).ready(function(){
$('input#domain').keyup(function(){
var domain = $(this).val();
var reg = /^([a-z0-9]+(\-?\.?[a-z0-9]*)){2,63}\.([a-z]){2,4}$/i ;
if (reg.test(dom
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