Re: Search engine language parser

vugluskr@unicorn.math.spbu.ru (Roman Shaposhnick)
23 Jul 2000 16:45:55 -0400

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Re: Search engine language parser rkrayhawk@aol.com (2000-07-27)
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From: vugluskr@unicorn.math.spbu.ru (Roman Shaposhnick)
Newsgroups: comp.compilers
Date: 23 Jul 2000 16:45:55 -0400
Organization: St.Petersburg University
References: 00-07-029
Keywords: parse

On 18 Jul 2000 13:07:28 -0400, Rodney Broom wrote:
>My boss has me building a search engine. No problem, I've already got
>most of the basic constructs for the various levels of the opperation
>figured out. What I'm sticking on is how to go about defining a set
>of logical rules to apply to a search. That is, how to define a query
>structure. Once I have a set of rules, I can parse whatever I get just
>fine, writing parsers is most of what I do for a living.


    Well, may be I'm a bit old fashioned, but whenever I meet a search
engine I dream about good old regexps or even eregexps. They are
really powerful and give a lot of flexibility to their users. Thus I
can suggest to start from regexps concept keeping in mind, that
terminals can be whatever I like, not just letters.


Thanks,
Roman.

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