On 21/04/14 10:03, James Laver wrote:

On 21 Apr 2014, at 09:45, Dirk Koopman <d...@tobit.co.uk> wrote:

This may be related to the question I asked recently about turning (up to) a 
few hundred REGEXes into one giant REGEX. The goal being to test all those 
disparate REGEXes in the most efficient way possible on a string.

Sounds like an implementation detail.


Yes, it is *the* implementation detail if one is writing a message switch whose primary purpose is to route messages based on said lists of regexes.

It's bad enough having just the one list of regexes on the one key, but when there are hierarchical lists dealing with tuples of the type (data, key1, key2, [...]), that "detail" really, really matters.

Oh and then there is the possible random ordering of the keys and one may need regexes to choose which list of regexes to use.

Dirk

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