Re: Writing regex in PL's

On Sat, 2004-08-07 at 14:40, David Garamond wrote:
> Is there anyone on this list who has preferred to use regexes from PL's
> (e.g. plperl, plruby) in CHECK constraints or other places instead of
> the flavor provided by Postgres? Do you find your approach satisfying?
> Do you also do things like cache the pattern so you don't have to
> compile the regex on every function invocation?
>
> I'm also about to choose this route, mainly because I want to separate
> the patterns into a Ruby module and would rather have one regex flavor
> (and I can never remember all that POSIX stuffs anyway :-).

I've never used plperl for regex, and I'm pretty comfy with posix regex,
as long as it's simple.  Let's face it, perl regex is king for a reason,
and it ain't cause they're easy to read.

Now, SQL regex, that gives me a headache.