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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4822) Add PatternKeywordTokenFilter to marks keywords based on regular expressions
Date Mon, 11 Mar 2013 13:53:12 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13598822#comment-13598822
] 

Uwe Schindler commented on LUCENE-4822:
---------------------------------------

+1 - the array based method may be faster on some JVMs, so using the array for the CharArraySet
based lookup might be a good idea.

I am still not sure, if we should break backwards in 4.x. I am happy that the factory did
not change its name, so solr is not affcted.
                
> Add PatternKeywordTokenFilter to marks keywords based on regular expressions
> ----------------------------------------------------------------------------
>
>                 Key: LUCENE-4822
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4822
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/analysis
>    Affects Versions: 4.2
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>            Priority: Minor
>             Fix For: 5.0, 4.3
>
>         Attachments: LUCENE-4822.patch, LUCENE-4822.patch, LUCENE-4822.patch, LUCENE-4822.patch
>
>
> today we need to pass in an explicit set of terms that we want to marks as keywords.
It might make sense to allow patterns as well to prevent certain suffixes etc. to be keyworded.

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