Constructor PatternAnalyzer

PatternAnalyzer(LuceneVersion, Regex, Boolean, CharArraySet)

Constructs a new instance with the given parameters.

Declaration
public PatternAnalyzer(LuceneVersion matchVersion, Regex pattern, bool toLowerCase, CharArraySet stopWords)
Parameters
Type Name Description
LuceneVersion matchVersion

currently does nothing

System.Text.RegularExpressions.Regex pattern

a regular expression delimiting tokens

System.Boolean toLowerCase

if 

true
returns tokens after applying String.toLowerCase()

CharArraySet stopWords

if non-null, ignores all tokens that are contained in the given stop set (after previously having applied toLowerCase() if applicable). For example, created via MakeStopSet(LuceneVersion, String[])and/or WordlistLoaderas in

WordlistLoader.getWordSet(new File("samples/fulltext/stopwords.txt")

or other stop words lists .