[EMAIL PROTECTED] wrote: > for Reverse DNS purposes, I'd like to reverse an IP ... > > ie: 200.46.204.1 would become 1.204.46.200 > > Is there an easy way of doing this *short* of writing a > plpgsql function? > > I've checked the docs, and found the substring() function > that allows for using a regex, which I thought might allow > this, but can't seem to figure out a proper format for it ;( > > If I have to write a function to do it, fine ... just wanted > to make sure I wasn't missing something first ...
Hi, You can use (\d+)\.(\d+)\.(\d+)\.(\d+) for the match, and \4.\3.\2.\1 for the replacement in your Regexp. Cheers, ---------------------------------- Philippe Lang, Ing. Dipl. EPFL Attik System rte de la Fonderie 2 1700 Fribourg Switzerland http://www.attiksystem.ch Tel: +41 (26) 422 13 75 Fax: +41 (26) 422 13 76
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