found it here: https://stackoverflow.com/questions/653157/a-better-similarity-ranking-algorithm-for-variable-length-strings/6859596#653165
java code at: https://web.archive.org/web/20210415112545/http://www.catalysoft.com/articles/strikeamatch.html by Simon White of Catalysoft
translated to ahk + I edited so that - _ . (whitespace char) all count as word delimeter
I'm using this in ahk_explorer
< 3 chars
sort by found position
3 or more chars
sort by similarity_value
all I need is that it finds the file even if I make a typo:
"lecutre" find "Lecture101_-_OK"
totally not started after seeing string-similarity.ahk by Chunjee https://www.autohotkey.com/boards/viewtopic.php?f=6&t=67267