Re: Deprecate and remove case-insensitive constants?
| From: | Tony Marston | Date: | Fri, 15 Sep 2017 14:54:09 +0000 |
| Subject: | Re: Deprecate and remove case-insensitive constants? | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 12 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-100631@lists.php.net to get a copy of this message | ||
"Lester Caine" wrote in message news:55603872-e832-65ea-25b6-48e01074a4c7@lsces.co.uk...
On 15/09/17 10:02, Tony Marston wrote:Try this page: http://unicode.org/faq/casemap_charprop.html Notice that case folding for case insensitive comparisons is relatively easy when compared with case switching. -- Tony MarstonWhy is it not possible to identify a single upper and lower case variant for every character in every character set?Can't find the right unicode standard page, but https://www.elastic.co/guide/en/elasticsearch/guide/current/case-folding.html sums it up.