[users@httpd] RedirectMatch wrongly matching single chars of a string?

["Björn Heller" <heller@xxxxxxxxxxxxx>]

Hi List, 

I've got following problem: 

I want to redirect all requests like
site.com/something,
site.com/something/someotherthing,
site.com/something/xyz/someotherthing 

to site.com/something.html, no matter if or without trailing slash BUT NOT 
if the URL is a .gif, .jpg etc. 

So I've got the following RedirectMatch: 

RedirectMatch permanent ^/(.[^/(\.gif)(\.jpg)]*)/? 
http://www.site.com/$1.html 

It works fine for anything after site.com/ NOT containing g, i, f, j, p or . 

e.g.:
site.com/xyzxyz -> site.com/xyzxyz.html
site.com/xxxx/yxyx -> site.com/xxxx.html 

but: site.com/xxgxx -> site.com/xx.html although I bracketed \.gif etc. 
What's wrong? Can anyone make a suggestion? 

greets, hb.

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