APEX 2.2.1 removing characters in html rendering??

Hi, I am developping on APEX 2.2.1 because our client is running that version. Now here is one strange issue : with FireFox 2,3 or IE 6,7 when I run a certain page some characters in the javascript that was in my HTML HEADER are removed, so it creates a javascript error. This is very strange, when I go in edition for example, i will see this code:
myFunction('p1','p2','p3');
But when I run it, and I look at the page source I will see:
myFunction('p1''p2','p3');
In this case, it was the comma, but some times it's a couple of characters. I thought maybe it was a certain overflow, but I had less than 4000 characters in my html header.
Also, I had a similar thing with a process. I created a process and it compiled fine. When I ran the page everything was working, but when I went to edit the process, some characters were missing, so obviously when I applied the changes there was an error.
Now, I don't know if it's a database problem or an APEX problem. My db is 10G release 2 and my APEX version is : 2.2.1.00.04. Maybe there is some patch missing I don,t know, but I hope some of you came across something similar. Thanks
Reginald

By looking at the questions I asked in my profile, I noticed that I didn't give any follow up to this one. Well, I don't have the problem anymore. All I know is that my dba applied a patch and it fixed the problem. Thanks for your time.

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I need some help on removing characters from a string. The problem I am having is due to the fact the portion of the string I need to keep varies. A few examples are:
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2 where regexp_replace(t1.col1, '.*-.*-.*-.*-(.*)-.*', '\1') = t2.c1;
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1298-1011-1-842-10-0                                       10 a
1298-1011-1-842-103-0                                     103 b
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APEX 2.2.1 removing characters in html rendering??

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