Class LowerCaseFilter

Normalizes token text to lower case.

You must specify the required LuceneVersion compatibility when creating LowerCaseFilter:

  • As of 3.1, supplementary characters are properly lowercased.

Inheritance
System.Object
AttributeSource
TokenStream
TokenFilter
LowerCaseFilter
Implements
System.IDisposable
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Analysis.Core
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class LowerCaseFilter : TokenFilter, IDisposable

Constructors

| Improve this Doc View Source

LowerCaseFilter(LuceneVersion, TokenStream)

Create a new LowerCaseFilter, that normalizes token text to lower case.

Declaration
public LowerCaseFilter(LuceneVersion matchVersion, TokenStream in)
Parameters
Type Name Description
LuceneVersion matchVersion

See LuceneVersion

TokenStream in

TokenStream to filter

Methods

| Improve this Doc View Source

IncrementToken()

Declaration
public override sealed bool IncrementToken()
Returns
Type Description
System.Boolean
Overrides

Implements

System.IDisposable