Lucene.Net.Search.Spans

Class	Description
SpanFirstQuery	Matches spans near the beginning of a field.
SpanNearQuery	Matches spans which are near one another. One can specify slop, the maximum number of intervening unmatched positions, as well as whether matches are required to be in-order.
SpanNotQuery	Removes matches which overlap with another SpanQuery.
SpanOrQuery	Matches the union of its clauses.
SpanQuery	Base class for span-based queries.
SpanScorer	Public for extension only.
SpanTermQuery	Matches spans containing a term.
SpanWeight	Expert-only. Public for use by other weight implementations
TermSpans	Expert: Public for extension only

Interface	Description
PayloadSpans	WARNING: The status of the Payloads feature is experimental. The APIs introduced here might change in the future and will not be supported anymore in such a case.
Spans	Expert: an enumeration of span matches. Used to implement span searching. Each span represents a range of term positions within a document. Matches are enumerated in order, by increasing document number, within that by increasing start position and finally by increasing end position.

Lucene.Net.Search.Spans Namespace