Run results for: Trim regex string loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 OPR/108.0.0.0 (Edition developer)

Browser: Opera 108

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

string slice

10K/s

string substring

9K/s

regex replace

8K/s

View exact numbers

Test name	Executions per second
✓ string slice	9,694 Ops/sec
string substring	9,223 Ops/sec
regex replace	8,328 Ops/sec

Script Preparation code:

var pat = "/^http.?:\/\/.+\.com/";
var count = 1000;

Tests:

regex replace
for (var i = 0; i < count; i++) { pat.replace(/^\/|\/$/g, ""); }
string substring
for (var i = 0; i < count; i++) { pat.substring(1, pat.length - 1); }
string slice
for (var i = 0; i < count; i++) { pat.slice(1, -1); }