AccentFoldingFilter

Namespace

Rowles.LeanLucene.Analysis.Filters

Assembly

Rowles.LeanLucene.dll

Normalises accented/diacritic characters to their ASCII base form (e.g., é→e, ñ→n, ü→u) for language-neutral matching. Uses Unicode canonical decomposition followed by stripping combining marks.

public sealed class AccentFoldingFilter : ITokenFilter

AccentFoldingFilter

Implements

ITokenFilter

Methods

Apply(List<Token>)

Applies the filter to the token list, modifying it in place.

Fold(string)

Folds accents and diacritics from the input string. Returns the original reference if no changes were needed.