Hi, Yes ICUFoldingFilter or ASCIIFoldingFilter could be used. ahmet
On Wednesday, September 27, 2017, 1:54:43 PM GMT+3, Chitra <chithu.r...@gmail.com> wrote: Hi, In Lucene, I want to search greek characters(with accent insensitive) by removing or replacing accent marks with similar characters. Example: we are trying to convert Greek Extended characters <http://www.unicode.org/charts/PDF/U1F00.pdf> to basic Greek Unicode <http://www.unicode.org/charts/PDF/U0370.pdf> for providing accent insensitive search... Kindly suggest the better solution to achieve this...? Does ICUFoldingFilter solve my use-case? -- Regards, Chitra