How about KeywordAnalyzer? It will treat C++ and C# as single term. Regards Ganesh
----- Original Message ----- From: "Chris Lu" <chris...@gmail.com> To: <java-user@lucene.apache.org> Sent: Saturday, December 12, 2009 5:27 AM Subject: Re: Lucene Analyzer that can handle C++ vs C# > What we did in DBSight is to provide a reserved list of words for every > Lucene Analyzer. > This way you can handle any special characters like C++ and C#. > > Any common analyzers usually are not suitable for these special words. > > -- > Chris Lu > ------------------------- > Instant Scalable Full-Text Search On Any Database/Application > site: http://www.dbsight.net > demo: http://search.dbsight.com > Lucene Database Search in 3 minutes: > http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes > DBSight customer, a shopping comparison site, (anonymous per request) got 2.6 > Million Euro funding! > > > On 12/11/2009 9:09 AM, maxSchlein wrote: >> Can someone please point me in the right direction. >> >> We are creating an application that needs to beable to search on C++ and get >> back doc's that have C++ in it. The StandardAnalyzer does not seem to index >> the "+", so a search for "C++" will bring back docs that contain, C++, C, >> C#, etc..... The WhiteSpaceAnalyzer will index the "+", but if we have the >> term "C++." that is, if C++ is at the end of a sentence, it will index >> "C++." so a search for "C++" will not return the doc. I have heard of maybe >> a CustomAnalyzer; however, it seems like there would actually need to be a >> CustomFilter/CustomTokenizer, I looked at: >> - StandardAnalyzer.java >> - StandardFilter.java >> - StandardTokenizer.java >> - StandardTokenizerImpl.java >> - StandardTokenizerImpl.jflex >> >> I would guess that the StandardTokenizer is where the changes would need to >> be made to allow the "+" character, but I am unclear as to how. >> >> Any and all help is greatly appreciated. >> >> Going thru all the documents, stripping out "+" for the word "plus" is not >> really an option for us. >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > Send instant messages to your online friends http://in.messenger.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
