https://www.mongodb.com/es/docs/v4.4/reference/operator/aggregation/strcasecmp/
$strcasecmp (aggregation) - MongoDB Manual v4.4 - MongoDB Docs
strcasecmpaggregationmongodbmanualv4
https://cygwin.com/pipermail/cygwin/1998-November/015492.html
B19, EGCS 1.1: Strcasecmp uses uppercase?
b19egcsstrcasecmpusesuppercase
https://www.w3schools.com/pHp/func_string_strcasecmp.asp
PHP strcasecmp() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpstrcasecmpfunction
https://curl.se/mail/lib-2004-10/0076.html
Curl: Problem with strcasecmp
curlproblemstrcasecmp
https://www.php.net/manual/en/function.strcasecmp.php
PHP: strcasecmp - Manual
Binary safe case-insensitive string comparison
phpstrcasecmpmanual
https://www.w3schools.com/PhP/func_string_strcasecmp.asp
PHP strcasecmp() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
phpstrcasecmpfunction