On Wed, 5 Feb 2003, Tom Lane wrote:
> 1. There are a couple of minor incompatibilities between the "advanced"
> regex syntax implemented by this package and the syntax handled by our
> old code; in particular, backslash is now a special character within
> bracket expressions. It seems to me that we'd better offer a switch
> to allow backwards compatibility. This is easily done as far as the
> code is concerned: the regex library actually offers three regex
> flavors, "advanced", "extended", and "basic", where "extended" matches
> what we had before ("extended" and "basic" correspond to different
> levels of the POSIX 1003.2 standard). We just need a way to expose
> that knob to the user. I am thinking about inventing yet another GUC
> parameter, say
>
> set regex_flavor = advanced
> set regex_flavor = extended
> set regex_flavor = basic
[snip]
> Any suggestions about the name of the parameter?
Actually I think 'regex_flavor' sounds fine.
Jon
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