Is the global search really a regex? I thought it was just substrings. | Hacker News

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		jrockway on July 8, 2009 \| parent \| context \| favorite \| on: Ask HN: What kind of index is Google using here? Is the global search really a regex? I thought it was just substrings.

s3graham on July 8, 2009 [–]

The labels are links to regularexpressions.info so I'd guess yes.

I'm pretty sure EN just greps subject + output of something like 'strings' though, it chugs pretty hard on broad searches.

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