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https://issues.apache.org/jira/browse/HBASE-11907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14155319#comment-14155319
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Lars Hofhansl commented on HBASE-11907:
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Seems like something that should "bake" in trunk for a bit before we add it to
a point release.
>From experience I can say that there are almost always subtle differences in
>both syntax and runtime behavior that are hard to identify ahead of time.
Maybe this only be in 1.0+?
> Use the joni byte[] regex engine in place of j.u.regex in
> RegexStringComparator
> -------------------------------------------------------------------------------
>
> Key: HBASE-11907
> URL: https://issues.apache.org/jira/browse/HBASE-11907
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Fix For: 2.0.0, 0.98.7, 0.99.1
>
> Attachments: HBASE-11907.patch, HBASE-11907.patch, HBASE-11907.patch
>
>
> The joni regex engine (https://github.com/jruby/joni), a Java port of
> Oniguruma regexp library done by the JRuby project, is:
> - MIT licensed
> - Designed to work with byte[] arguments instead of String
> - Capable of handling UTF8 encoding
> - Regex syntax compatible
> - Interruptible
> - *About twice as fast as j.u.regex*
> - Has JRuby's jcodings library as a dependency, also MIT licensed
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