FoxyProxy -> RegEx advice needed..

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RegEx advice needed..

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wcross	Posted: May 8 2006, 03:21 PM
Newbie Group: Members Posts: 2 Member No.: 12 Joined: 8-May 06	I'm trying to implement a RegEx match that will include all company URL's EXCEPT from a particular host. I have the RegEx expression that I believe should work, but it's not (at least not within FoxyProxy). Maybe this is RegEx engine issue? Anyways, the desired effect is to make all servers from domain mycompany.com EXCEPT a server called "Mine". The expression I'm using is: https?://[0-9a-zA-Z\.](?<!mine)\.mycompany\.com/. Any regex experts out there with some advice?? Thanks!

Eric H. Jung

Posted: May 8 2006, 04:16 PM

Administrator

Group: Admin
Posts: 947
Member No.: 1
Joined: 28-March 06

Hi wcross,

I don't believe Javascript (at least Mozilla/Firefox Javascript, which is implemented by SpiderMonkey) supports negative lookbehinds ((?<!mine)). You might consider posting your quesiton to Regex Advice forums. I think there are probably other ways to do what you want, perhaps by changing [0-9a-zA-Z\.]* to ([0-9a-zA-Z\.]*) and using the backreference in the regular expression. I'm no regex expert, though.

Here's HTML you can use inside Firefox to test your regular expression. Just save to a file, open in FF and test away:

CODE

<html>
<head>
<script>
function test() {
var regex = new RegExp("^" + document.getElementById("regex").value + "$");
alert(regex.test(document.getElementById("uri").value)?"match":"no match");
}
</script>
</head>
<body>
<p>Regular expression: <input type="text" id="regex" size="50"/></p>
<p>URL: <input type="text" id="uri" size="50"/></p>
<p><input type="button" value="Test" onclick="test();"/></p>
</body>
</html>

--------------------

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wcross	Posted: May 10 2006, 11:09 PM
Newbie Group: Members Posts: 2 Member No.: 12 Joined: 8-May 06	Thanks! I think I've got it. You set me in the right direction.

Eric H. Jung	Posted: May 10 2006, 11:32 PM
Administrator Group: Admin Posts: 947 Member No.: 1 Joined: 28-March 06	Care to share? I always like to learn more about regexs... -------------------- Get PasswordMaker Get FoxyProxy Read one of my books

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