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Ask HN:Why there's no Regular Expression search for web?

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Re: Ask HN:Why there's no Regular Expression search for web?

#11
post #7

The main problem is that you would need a totally different indexing system. Roughly, search engines work in two phases: retrieval, and scoring. Retrieval is when you figure out of the billions of documents in the index, which are the top few thousand that could be worthy of being search results. Scoring is when you look at each of those documents in more detail to figure out the actual top ten. Scoring based on regu…

[deleted]

Re: Ask HN:Why there's no Regular Expression search for web?

#12

Earlier quoted context omitted.

pg asks: - how will you make money? - how will you implement this cheaply enough? - who will really use this? what are they doing now instead?

Initially, with a subscription model for people with an interest in search results relevant to their purpose rather than suffering through search results relevant to the purposes of advertising sales. This will allow controlled growth to match resources to volume. [edit] The right model might be a sort of meta-search engine - feed the regex to something like Wikipedia to determine plausible keywords and then return a…

pg then asks: how many people are willing to pay a subscription for this? How do you know that?

And then pg says: I worry.. I worry..

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