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 the maximum number of characters allowed.
So I've used your code without the length checkup and have used PHP's
Regular expressions check to catch any domains with only one character
before the extension.
I guess the only solution would be to use javascript to split the domain
into hostname and extension and then to check the individually... but
this would be a pain.
I find it strange that Firefox can not seem to handle such a simple Reg
Exp ... :(
Rik Lomas wrote:
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#domain').keyup(function(){
var domain = $(this).val();
if (reg.test(domain) && domain.length >= 5 && domain.length <= 68) {
$("#ok").html("Correct format...");
} else {
$("#ok").html("Wrong format...");
}
});
});
Rik
2008/11/20 Jsbeginner <[EMAIL PROTECTED]>:
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 with
my code ? How can I fix this problem ?
Is it my RegExp ? I can't see how it could be the code as yours is very
simple
Rik Lomas wrote:
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(domain)) {
$("#ok").html("Correct format ...");
} else {
$("#ok").html("Wrong format ...</p>");
}
});
});
2008/11/19 Jsbeginner <[EMAIL PROTECTED]>:
Hello, this is my first topic here, so I hope that I'm doing the right.
I've
done a search on google and on this forum without finding anyone with the
same problem as me, but maybe I'm not looking for the right keywords.
Here is my problem : I've created a very simple script that checks if a
domain is in a valid format or not, however with Firefox 3 it does not
like
domains that are more than 20 characters long and firefox slows down and
then completly blocks.
Here is my code :
test.js :
function domchk() {
var domain = $("input#domain").val();
var reg = /^([a-z0-9]+(\-?\.?[a-z0-9]*)){2,63}\.([a-z]){2,4}$/i ;
if (domain.match(reg)) {
$("#ok").html("Correct format ...");
} else {
$("#ok").html("Wrong format ...</p>");
}
}
function simple_chk(target_items){
$(target_items).each(function(){
$(this).keyup(function(){
domchk();
});
});
}
$(document).ready(function(){
simple_chk("input");
});
test.html :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Test page</title>
<script type="text/javascript" src="jquery-1.2.6.min.js"></script>
<script type="text/javascript" src="test.js"></script>
</head>
<body>
<h1> Javascript domain check ...</h1>
<form>
<p>
<input id="domain" type="text" /></p>
<p id="ok">Not changed yet...</p>
</form>
</body>
</html>
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--
Rik Lomas
http://rikrikrik.com
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