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https://issues.apache.org/jira/browse/LUCENE-4822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer updated LUCENE-4822:
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Attachment: LUCENE-4822.patch
here is a patch (pretty big though). I made KeywordMarkerFilter an abstract
base class and added two subclasses PatternKeywordMarkerFilter and
SetKeywordMarkerFilter. I also updated the factory to support both based on
given arguments. I think this can be useful for others as well if they need to
make keyword decisions based on more complex logic.
> 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
> Priority: Minor
> Fix For: 5.0, 4.3
>
> Attachments: 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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