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https://issues.apache.org/jira/browse/LUCENE-4587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13512077#comment-13512077
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Steven Rowe commented on LUCENE-4587:
-------------------------------------

+1, nice random test!

Small suggestion:

{{TestWordBreakSpellChecker.goodTestString()}} invalidates candidate combined 
terms with whitespace, but there are other whitespace chars than those you 
handle specifically.  This would probably be faster and more complete:

{code:java}
private static final Pattern WHITESPACE_PATTERN = Pattern.compile("\\s");

private boolean goodTestString(String s) {
  return s.codePointCount(0, s.length()) >= 2 && ! 
WHITESPACE_PATTERN.matcher(s).find();
}  
{code}
                
> WordBreakSpellChecker treats bytes as chars
> -------------------------------------------
>
>                 Key: LUCENE-4587
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4587
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/spellchecker
>    Affects Versions: 4.0
>            Reporter: Andreas Hubold
>            Assignee: James Dyer
>             Fix For: 4.1, 5.0
>
>         Attachments: LUCENE-4587.patch
>
>
> Originally opened as SOLR-4115.

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