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From Erick Erickson <erickerick...@gmail.com>
Subject Re: searching minus digit
Date Tue, 24 Apr 2012 14:59:50 GMT
Does any part of your analysis chain remove the -? It's a common
thing to see happen, there are often cases where the search
experience is better when hyphens are removed, and some tokenizers
do this automatically.


Best
Erick

On Tue, Apr 24, 2012 at 8:04 AM, S Eslamian <seslamian@gmail.com> wrote:
> Hi  :)
> I don't why, but searching "\\-1234" ignores negative point and search for
> 1234 !
>
> On Tue, Apr 24, 2012 at 4:24 PM, G.Long <jdevgl@gmail.com> wrote:
>
>> Hi :)
>>
>> Did you try with "\\-1234" ?
>>
>> Regards
>>
>> Le 24/04/2012 13:40, S Eslamian a écrit :
>>
>>  Thank you but when I search this : Query termQuery = new TermQuery
>>> ("field","\-1234"); I get this exception :
>>> Invalid escape sequence (valid one are \b \t \n \f \r \" \' \\)
>>>
>>> Am I making mistake in creating my query?
>>>
>>> On Tue, Apr 24, 2012 at 3:52 PM, Erick Erickson<erickerickson@gmail.**com<erickerickson@gmail.com>
>>> >wrote:
>>>
>>>  the - is part of the query syntax, you must escape it. See:
>>>>
>>>>
>>>> http://lucene.apache.org/core/**old_versioned_docs/versions/3_**
>>>> 5_0/queryparsersyntax.html<http://lucene.apache.org/core/old_versioned_docs/versions/3_5_0/queryparsersyntax.html>
>>>>
>>>> Best
>>>> Erick
>>>>
>>>> On Tue, Apr 24, 2012 at 5:44 AM, S Eslamian<seslamian@gmail.com>  wrote:
>>>>
>>>>> How can I search a minus digit like -123 in lucene?
>>>>> When I search this,lucene excludes 123 from my search or returns no
>>>>>
>>>> answer.
>>>>
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>>>>
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>>

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