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From "Steven Rowe (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2745) ArabicAnalyzer - the ability to recognise email addresses host names and so on
Date Sun, 07 Nov 2010 19:21:06 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929386#action_12929386
] 

Steven Rowe commented on LUCENE-2745:
-------------------------------------

bq. the only trick to deprecating this ArabicLetterTokenizer is the persian case, since i
dont think UAX#29 will split on zero-width-non-joiner, so we need to do something to handle
that case, otherwise we can default to a better tokenizer here.

Robert, can you provide more detail?  AFAICT from [this Wikipedia article|http://en.wikipedia.org/wiki/Zero-width_non-joiner],
ZWNJs are used in Persian as display hints, not as word separators.

> ArabicAnalyzer - the ability to recognise email addresses host names and so on
> ------------------------------------------------------------------------------
>
>                 Key: LUCENE-2745
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2745
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/analyzers
>    Affects Versions: 2.9.2, 2.9.3, 3.0, 3.0.1, 3.0.2
>         Environment: All
>            Reporter: M Alexander
>
> The ArabicAnalyzer does not recognise email addresses, hostnames and so on. For example,
> adam@hotmail.com
> will be tokenised to [adam] [hotmail] [com]
> It would be great if the ArabicAnalyzer can tokenises this to [adam@hotmail.com]. The
same applies to hostnames and so on.
> Can this be resolved? I hope so
> Thanks
> MAA

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