It worked out well. Thanks Is there any way that we can use standardAnalyzer and tell it not generated tokens out of this?
Thanks Ravichandra prabin meitei wrote: > > use your own analyzer. Write a class extending lucene analyzer. you can > override the tokenStream method to include whatever you want and exclude > what you don't want. > > eg. of a token stream method which may work for you > public TokenStream tokenStream(String fieldName, Reader reader) { > TokenStream result = new StopFilter( > new LowerCaseFilter( > new WhitespaceTokenizer(reader))); > return result; > } > > Prabin > toostep.com > > On Wed, Dec 3, 2008 at 3:17 PM, Ravichandra < > [EMAIL PROTECTED]> wrote: > >> >> Hi >> >> I tried that approach, I did used escaping using the "\", and the query >> has >> the special charecter, but i got no results that time. >> >> What I found out was when I use Standard Analyzer on "ABC+S", the terms >> generated are "ABC" and "S" and '+' is getting lost. >> When I used whitespaceAnalyzer or keywordAnalyzer (or use >> standardanalyzer >> but don't analyze this field), it is working, but it is case sensitive. >> >> Can anybody suggest me how to use Whitespaceanalyzer/keywordanalyzer >> along >> with lowecase filter >> or >> how to make Standardanalyzer not to generate tokens based on these >> special >> chrecters. >> >> Thanks >> Ravichandra >> >> >> prabin meitei wrote: >> > >> > try manually escaping the search string, adding "\" in front of the >> > special >> > characters. (you can do this easily by using string replace) >> > This will make sure that your query contains the special characters >> > >> > >> > Prabin >> > toostep.com >> > >> > On Wed, Dec 3, 2008 at 12:03 PM, Ravichandra < >> > [EMAIL PROTECTED]> wrote: >> > >> >> >> >> Hi >> >> >> >> I am having problems with searching for special charecters like >> %,*,+,- >> >> etc. >> >> I am using standard analyzer. I create queries using the query >> >> constructor. >> >> >> >> I read in the forums and tried with QueryParser.escpae and parse >> methods, >> >> but the problem is if I have two fields as "ABC+S" and "ABC-S" and >> when >> i >> >> search for "ABC+S", the order of fields is "ABC+S","ABC-S", and when >> we >> >> search for "ABC-S", then also the order is "ABC+S","ABC-S". >> >> >> >> What I have seen is when we escape the search string and then parse it >> >> using >> >> query parser, the generated query doesn't contain the special >> charecter >> >> '+', >> >> or '-'. >> >> >> >> Please suggest me how to deal with special charecters. >> >> >> >> Lucene : 2.4 >> >> >> >> Thanks >> >> Ravichandra >> >> >> >> ----- >> >> Thanks >> >> Ravichandra >> >> -- >> >> View this message in context: >> >> >> http://www.nabble.com/Problem-with-special-charecters-tp20807546p20807546.html >> >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> >> >> > >> > >> >> >> ----- >> Thanks >> Ravichandra >> -- >> View this message in context: >> http://www.nabble.com/Problem-with-special-charecters-tp20807546p20809771.html >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > ----- Thanks Ravichandra -- View this message in context: http://www.nabble.com/Problem-with-special-charecters-tp20807546p20810912.html Sent from the Lucene - Java Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]