Board Thread:General Discussion/@comment-25246763-20161105200223/@comment-24473195-20161105205718

Ark25 wrote: By the way, case folding seems to be about lower case and upper case. Maybe this thing should be called "diacritics folding"? :) Indeed, it focuses on case-sensitive matches, but the idea is the same. Theoretically searching for MONKEY isn't the same as searching for monkey (to machines). As humans don't like that idea they created "folding".  There are other names  such as unicode  folding, character  folding  or ascii folding, "accent folding":

https://www.elastic.co/guide/en/elasticsearch/guide/current/character-folding.html