> > > > You need The SQL3 SIMILAR
> > > > in this case pattern can involve additional special characters,
> > > > just % and _ as in LIKE,
> > > TODO item changed to:
> > > * add SIMILAR to allow character classes, 'pg_[a-c]%'
> > The annoying thing is that our regex "~" operators do all of this
> > more, but presumably don't have the right behavior for underscore
> > for percent. Should we look at the regex code and try to get it to
> > compatible (for v6.5...)?
> Not sure.
I thought that the regex code was already being revamped by the
pgsql-hackers by date
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|Subject: RE: [HACKERS] SQL92|
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|Subject: patching utilities?|