In a comment to the previous article on a case insensitive hash code, Stefan Glienke pointed to an approach used in Spring4D’s comparers, which is a delightful hack. Rather than converting the string to a “proper lower case”, it converts the string to an “approximate lower case” using an “or $20”, which happens to be…
The post <a href="https://www.delphitools.info/2024/06/10/the-mischievous-case-insensitive-hash/">The Mischievous Case-Insensitive Hash