Searching object using AND and OR

Date	2012-10-11 09:36 +1100
From	Andrew Poulos <ap_prog@hotmail.com>
Newsgroups	comp.lang.javascript
Subject	Searching object using AND and OR
Message-ID	<ZaOdnXdCIZD3ZejNnZ2dnUVZ_vWdnZ2d@westnet.com.au> (permalink)

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I've got a large (potentially hundreds of indexes) object that looks 
something like

var obj = {
   "a":["apple","banana"],
   "b":["fish","apple","car","run","jump"],
   "c":["car,"truck","motorcycle","banana"],
   "d":["banana","boat","car","bicycle"],
   ...
};

Where array elements can only be individual words.

Its straightforward enough to go through the object and return all 
indexes where a "search" word matches an element in the index's array 
but I'm stuck trying to work out how to even approach allowing the use 
of "AND" and "OR".

For example, to search for
   banana AND (bicycle OR motorcycle)
would return "c" and "d".

Andrew Poulos

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Searching object using AND and OR Andrew Poulos <ap_prog@hotmail.com> - 2012-10-11 09:36 +1100
  Re: Searching object using AND and OR Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-10-11 01:13 +0200
  Re: Searching object using AND and OR Dr J R Stockton <reply1241@merlyn.demon.co.uk.invalid> - 2012-10-11 20:00 +0100
    Re: Searching object using AND and OR Gene Wirchenko <genew@ocis.net> - 2012-10-11 16:39 -0700
  Re: Searching object using AND and OR JJ <jaejunks_at@_googlemail_dot._com> - 2012-10-12 13:25 +0000

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