Google Code Search - Wikipedia

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2021-07-02 20:00:08

Google Code Search was a free beta product from Google which debuted in Google Labs on October 5, 2006, allowing web users to search for open-source code on the Internet. Features included the ability to search using operators, namely lang: , package: , license: , and file: .

The code available for searching was in various formats including tar.gz, .tar.bz2, .tar, and .zip, CVS, Subversion, git and Mercurial repositories.

Google Code Search covered many open-source projects, and as such is different from the "Code Search for Google Open source projects" that was released afterwards.[1][2]

The site allowed the use of regular expressions in queries, which at the time was not offered by any other search engine for code.[citation needed ] This makes it resemble grep, but over the world's public code. The methodology employed combines a trigram index with a custom-built, denial-of-service resistant regular expression engine.[3]

Google Code Search supported POSIX extended regular expression syntax, excluding back-references, collating elements, and collation classes.

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