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https://issues.apache.org/jira/browse/SOLR-1204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721323#action_12721323
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Michael Ludwig commented on SOLR-1204:
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The patch has been ready for a week now, but before supplying it, I'd like to
understand what is the rationale behind treating a sequence of digits - \d+ -
as a separate token in the original regular expression - (?:(?!(\w+:|\d+)))\w+
to be found in SpellingQueryConverter.java?
> Enhance SpellingQueryConverter to handle UTF-8 instead of ASCII only
> --------------------------------------------------------------------
>
> Key: SOLR-1204
> URL: https://issues.apache.org/jira/browse/SOLR-1204
> Project: Solr
> Issue Type: Improvement
> Components: spellchecker
> Affects Versions: 1.3
> Reporter: Michael Ludwig
> Assignee: Shalin Shekhar Mangar
> Priority: Trivial
> Fix For: 1.4
>
> Attachments: SpellingQueryConverter.java.diff,
> SpellingQueryConverter.java.diff
>
>
> Solr - User - SpellCheckComponent: queryAnalyzerFieldType
> http://www.nabble.com/SpellCheckComponent%3A-queryAnalyzerFieldType-td23870668.html
> In the above thread, it was suggested to extend the SpellingQueryConverter to
> cover the full UTF-8 range instead of handling US-ASCII only. This might be
> as simple as changing the regular expression used to tokenize the input
> string to accept a sequence of one or more Unicode letters ( \p{L}+ ) instead
> of a sequence of one or more word characters ( \w+ ).
> See http://java.sun.com/j2se/1.4.2/docs/api/java/util/regex/Pattern.html for
> Java regular expression reference.
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