Run results for: includes + toLowerCase vs RegExp + i

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Linux

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
lowercase + includes	1643851136.0 Ops/sec
RegExp + i	7243735.5 Ops/sec

Script Preparation code:

var str = "This is a simple test!";
var needle = "sImPle";

Tests: