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https://issues.apache.org/jira/browse/LUCENENET-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12505727
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Jokin Cuadrado commented on LUCENENET-41:
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depending on the analyzer you use, there is a lowercase filter that convert
all the tokens in minuscules. So if you indexed the documents with a analyzer
that uses that filter, you must search with the same analyzer to expect the
same results.
> querystring is case-sensitive?
> ------------------------------
>
> Key: LUCENENET-41
> URL: https://issues.apache.org/jira/browse/LUCENENET-41
> Project: Lucene.Net
> Issue Type: Bug
> Environment: OS: windows XP SP2; .Net 2005; Lucene.net 2.0; IBM
> laptop T42
> Reporter: Shen Koffer
> Priority: Minor
>
> I have one text file: one.txt. In this file, I put only one line of data:
> Mobile.
> The indexing process completes without any error.
> In the search code, I created a new query like this,
> Query query = new TermQuery(new Term("Content", queryString));
> The queryString passed in is "Mobile".
> With this, I can NOT search out any result.
> But if I change the queryString to "mobile" ( Notice: all in lower case).
> I can get the expected result.
> The defect is when the user try to search some word, he should input the word
> in lower case, rather than as-is.
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