Run results for: Regex vs String.includes in Array.filter v2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Regex match

1.3M/s

String includes with toLowerCase

1.1M/s

View exact numbers

Test name	Executions per second
✓ Regex match	1,332,594 Ops/sec
String includes with toLowerCase	1,073,402 Ops/sec

Script Preparation code:

var array = ["PHV Versicherung", "Rücktrittsversicherung", "Lebensversicherung"]
var searchStrings = ["rücktritt", "versicher", "rung", "P"]

Tests:

Regex match
for(let i = 0; i < searchStrings; i++) { array.filter(str => { const rgx = new RegExp(searchStrings[i], "i"); return str.match(rgx); }) }
String includes with toLowerCase
for(let i = 0; i < searchStrings; i++) { array.filter(str => { return str.toLowerCase().includes(searchStrings[i].toLowerCase()); }) }