[Javascript] RegExp question

[Golden Troll]

how about escaping the under_score \_

-----Original Message-----
From: javascript-admin at LaTech.edu [mailto:javascript-admin at LaTech.edu]On
Behalf Of Christopher Basken
Sent: Thursday, December 13, 2001 3:05 PM
To: javascript at LaTech.edu
Subject: Re: [Javascript] RegExp question


I tried that, with...

var pattern = new RegExp("/course_/(\d+)_\d+","ig");

...and...

var pattern = new RegExp("/course_(\d+)_\d+/","ig");

...neither seems to work.


> what about adding a / before course in the expression?
> I'm still learn RegExp but the JavaScript Bible has been a great
> resource Chap 30 on the accompanying CD is about the best explanation
of
> the I've seen
>
> If you don't have it a js programmer you should
> http://www.amazon.com/exec/obidos/ASIN/0764533428/goldentrollventu/
> The gold edition:
> http://www.amazon.com/exec/obidos/ASIN/0764547186/goldentrollventu/
> Peace and Respects,
> Scott Gahres
> Owner
> Golden Troll four20 Ventures hemp at goldentroll.com
> http://goldentroll.com
>
>
> -----Original Message-----
> From: javascript-admin at LaTech.edu
[mailto:javascript-admin at LaTech.edu]On
> Behalf Of Christopher Basken
> Sent: Thursday, December 13, 2001 2:32 PM
> To: javascript at LaTech.edu
> Subject: [Javascript] RegExp question
>
>
> Hi,
>
> I've got a page with a bunch of form elements on it.  A bunch of
> elements
> are named "course_01_02" or "course_12_01" and so on.  I want to loop
> through them and yank out the values of these elements, but since I
also
> need to know the digits, I need to match the numbers (not just the
> beginning
> "course").
>
> I've got this function:
>
> function FormValidation(theForm) {
>
>     for (var i = 0; i < theForm.length; i++) {
>         var e = theForm.elements[i].name;
>         var pattern = new RegExp("course_(\d+)_\d+","ig");
>         alert(e.match(pattern)); // test
>     }
>
> }
>
> But it keeps coming up Null.  According to the documentation at
> developer.netscape.com, this should work.
>
> Any thoughts?
>
> Thanks!
>
> Chris
>
>
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