You probably don't want to use StandardAnalyzer: maybe try
WhitespaceAnalyzer, but you'll need to enhance your regex a little to
deal with punctuation since WA may give you tokens like:
5106-7922-9469-8422.
"5106-7922-9469-8422"
etc
-Mike
On 12/15/14 3:45 AM, Valentin Popov wrote:
I have a need to find mastercard numbers with regular expression.
I’m using Query query = new RegexpQuery(new Term("body",
"5{1}<1-5>{1}<0-9>{14}"), RegExp.ALL) to search numbers in email’s body and
StandardAnalizer used for body indexing. So number like 5106792294698422 will be indexed as it is and all
mastercard numbers will be on search results, but numbers like 5106 7922 9469 8422 will be indexed as 4 tokens
5106, 7922, 9469, 8422, simular for 5106-7922-9469-8422.
Any ideas how to find the sequence of numbers with spaces, dashes etc? Maybe
multiterm regexp search query?
Regards,
Valentin Popov
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