Hi All, I find that the following 2 queries
State NEAR (biha* NOT bihar) which expands to base {Lucene.Net.Search.Query} = {spanNear([contents:state, spanNot(SpanRegexQuery(contents:biha.*), contents:bihar)], 10, False)} (state NEAR biha*) NOT (state NEAR bihar) which expands to base {Lucene.Net.Search.Query} = {+spanNear([contents:state, SpanRegexQuery(contents:biha.*)], 10, False) -spanNear([contents:state, contents:bihar], 10, False)} I would have expected them to give the same results. Any help in identifying what could be wrong ? Thanks Puneet