Run results for: Regex evaluation

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36 Edg/130.0.0.0

Browser: Chrome 130

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Regex

3.5M/s

Full Regex

3.1M/s

Substring

1.7M/s

View exact numbers

Test name	Executions per second
✓ Regex	3,481,534 Ops/sec
Full Regex	3,140,717 Ops/sec
Substring	1,689,711 Ops/sec

Script Preparation code:

var matchDirective = /webapp-v-([a-z-]+)(?::([a-zA-Z_.-]+))?/,
    fullDirective = /webapp-v-([a-z-]+)(?::([a-zA-Z_-]+)(?:\.([a-zA-Z_-]+))?)?/,    
    attrName = "webapp-v-bind:class.ifdefined";

Tests:

Regex
var directivematch = matchDirective.exec(attrName), directivename = directivematch[1], directivopts = directivematch[2], pos = directivopts.indexOf("."), attrname = directivopts.substring(0, pos), buildIn = directivopts.substring(pos+1);
Substring
var directivematch = matchDirective.exec(attrName), pos = attrName.indexOf(":"), directivename = attrName.substring(0, pos), directivopts = attrName.substring(pos+1), posbuild = directivopts.indexOf("."), attrname = directivopts.substring(0, posbuild), buildIn = directivopts.substring(posbuild+1);
Full Regex
var directivematch = fullDirective.exec(attrName), directivename = directivematch[1], attrname = directivematch[2], buildIn = directivematch[3];