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jatar_k - 3:36 am on Aug 18, 2002 (gmt 0)
HTTP_GET_VARS is an array, so I don't really understand the second question. I use foreach ($HTTP_GET_VARS as $key=>$value) to alter values and generally mess with anything I want to. What, more specifically, would you like to do. If register_globals is on then you can use those vars as is or if not you can assign them each to their own var and then run through them. I could be misunderstanding the question though.
Sorry I can't help with the regex bit but,