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Run results for:
regex performance
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
indexOf
11.1M/s
test
6.7M/s
exec
5.8M/s
match
5.4M/s
View exact numbers
Test name
Executions per second
✓
indexOf
11,072,875 Ops/sec
test
6,746,598 Ops/sec
exec
5,783,590 Ops/sec
match
5,416,325 Ops/sec
Script Preparation code:
var html = "<p>A</p><table><tr><td>1</td><td>2</td></tr></table><p>B</p>";
Tests:
test
/<table\b[^>]*>/i.test(html)
exec
/<table\b[^>]*>/i.exec(html)
match
html.match(/<table\b[^>]*>/i)
indexOf
html.toLowerCase().indexOf('<table')