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https://issues.apache.org/jira/browse/LUCENE-9986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17355684#comment-17355684
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Michael Sokolov commented on LUCENE-9986:
-----------------------------------------
[This SO
post|https://stackoverflow.com/questions/15819919/where-can-i-find-unit-tests-for-regular-expressions-in-multiple-languages]
links to many test suites in various open source projects. Not sure which
would be best/best licensed for copying here?
> Create a simple "real world" regexp benchmark
> ---------------------------------------------
>
> Key: LUCENE-9986
> URL: https://issues.apache.org/jira/browse/LUCENE-9986
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Priority: Major
>
> For issues like LUCENE-9983, where we are struggling to decide which
> low-level optimizations to make for our (complicated!) {{determinize}}
> method, it would really help to have a large, real-world corpus of regexps to
> evaluate performance metrics of our automata operations, like CPU and HEAP
> required to parse the regexp and determinize.
> Does anyone know of such an existing, hopefully compatibly licensed, corpus?
> Probably we would add these benchmarks to {{luceneutil}}.
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