Finding exact match using Lucene search API

You can use KeywordAnalyzer to index and search on this field. Keyword Analyzer will generate only one token for the entire string.

I googled a lot with no help for the same problem. After scratching my head for a while I found the solution. Search the string within double quotes, that will solve your problem.

National Bancorp will return both #1 and #2 but "National Bancorp" will return only #2.