You can add PatternReplaceFilter (http://lucene.apache.org/core/4_3_1/analyzers-common/org/apache/lucene/analysis/pattern/PatternReplaceFilter.html) to replace the tokens only consisting of digits by their vsrisnt with leading zeroes removed.
Uwe Jack Krupansky <j...@basetechnology.com> schrieb: >The user could use a regular expression query to match the numbers, but > >otherwise, you will have to write some specialized token filter to >recognize >numeric tokens and generate extra tokens at the same position for each >token >variant that you want to search for. > >-- Jack Krupansky > >-----Original Message----- >From: Todd Hunt >Sent: Friday, June 28, 2013 2:18 PM >To: java-user@lucene.apache.org >Subject: How to Perform a Full Text Search on a Number with Leading >Zeros or >Decimals? > >I have an application that is indexing the text from various reports >and >forms that are generated from our core system. The reports will >contain >dollar amounts and various indexes that contain all numbers, but have >leading zeros. > >If a document contains that following text that is stored in one Lucene > >document field: > >"Account 00000012345 owes $321.98" > >What analyzer can be used to index this text and allow the user to find >this >document by searching on: > >12345 > >OR > >321 > >??? > >We are currently using a StandardAnalyzer which works well for most of >our >use cases, but not one like this. > >I realize that I could create my own token filter to convert any text >that >can be represented by an Integer or Long, with leading zeros or not, >and >convert the value to a normal looking integer without leading zeros. >But >I'd prefer to reuse and existing analyzer or technique to achieve the >same >results. > >Thank you. > > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >For additional commands, e-mail: java-user-h...@lucene.apache.org -- Uwe Schindler H.-H.-Meier-Allee 63, 28213 Bremen http://www.thetaphi.de
