I am currently attempting to use Lucene to search data populated in an index.
I can match on exact phrases by enclosing it in brackets (i.e. \"Processing Documents\"
Use a SpanNearQuery with a slop of 0.
Unfortunately there's no SpanWildcardQuery in Lucene.Net. Either you'll need to use SpanMultiTermQueryWrapper, or with little effort you can convert the java version to C#.