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From Weiwei Wang <ww.wang...@gmail.com>
Subject Re: Looking for a MappingCharFilter that accepts regular expressions
Date Mon, 14 Dec 2009 03:43:46 GMT
All solr souce downloaded, and I found PatternReplaceCharFilter is very
useful for my project.

Thanks

On Mon, Dec 14, 2009 at 11:14 AM, Weiwei Wang <ww.wang.cs@gmail.com> wrote:

> I need the source file not the patch file, where can i download it?
>
>
> On Mon, Dec 14, 2009 at 1:15 AM, Koji Sekiguchi <koji@r.email.ne.jp>wrote:
>
>> Koji Sekiguchi wrote:
>>
>>> Paul Taylor wrote:
>>>
>>>> I want my search to treat 'No. 1' and 'No.1' the same, because in our
>>>> context its one token I want 'No. 1' to become 'No.1',  I need to do this
>>>> before tokenizing because the tokenizer would split one value into two terms
>>>> and one into just one term. I already use a NormalizeMapFilter to map &'
to
>>>> 'and' but I think it only takes literal text and I need to
>>>>
>>>> 1. be case insensitive (but lowercasefilter is only applied after
>>>> tokenizing)
>>>>
>>>> 2. cope with all numbers e.g no. 109
>>>>
>>>> So I was going to subclass BaseCharFilter and do my matches with a
>>>> regular expression like ([Nn]+[Oo]+\\.) ([0-9]+) but I'm struggling to
>>>> understand the offset methods you have to do once you get a match. Has
>>>> anyone already got a regular expression Charfilter OR am I approaching this
>>>> all wrong
>>>>
>>>> thanks Paul
>>>>
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>>>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>>>
>>>>
>>>>  Hi Paul,
>>>
>>> I've written a patch for this kind of purpose. See:
>>>
>>> https://issues.apache.org/jira/browse/SOLR-1653
>>>
>>> Koji
>>>
>>>  Oops. I thought this is solr-user list, but it was java-user. :-D
>>
>>
>> Koji
>>
>> --
>> http://www.rondhuit.com/en/
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>
>>
>
>
> --
> Weiwei Wang
> Alex Wang
> 王巍巍
> Room 403, Mengmin Wei Building
> Computer Science Department
> Gulou Campus of Nanjing University
> Nanjing, P.R.China, 210093
>
> Homepage: http://cs.nju.edu.cn/rl/weiweiwang
>



-- 
Weiwei Wang
Alex Wang
王巍巍
Room 403, Mengmin Wei Building
Computer Science Department
Gulou Campus of Nanjing University
Nanjing, P.R.China, 210093

Homepage: http://cs.nju.edu.cn/rl/weiweiwang

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