[jira] Commented: (LUCENE-2606) optimize contrib/regex for flex

["Uwe Schindler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899822#action_12899822 ] 

Uwe Schindler commented on LUCENE-2606:
---------------------------------------

Looks good! The thing was broken in 3.x and 3.0, too as it was not threadsafe, if the same capabilities object was used in multiple threads.

> optimize contrib/regex for flex
> -------------------------------
>
>                 Key: LUCENE-2606
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2606
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/*
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2606.patch, LUCENE-2606.patch
>
>
> * changes RegexCapabilities match(String) to match(BytesRef)
> * the jakarta and jdk impls uses CharacterIterator/CharSequence matching against the utf16result instead.
> * i also reuse the matcher for jdk, i don't see why we didnt do this before but it makes sense esp since we reuse the CSQ

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