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Run results for:
Lazy Quantifier and non capturing group vs Greedy Quantifier with capturing group REGEX B@B
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
greedy capturing
7256858.5 Ops/sec
lazy non capturing
7673621.0 Ops/sec
Tests:
greedy capturing
new RegExp("^([^./]+\\.)*slack.com").test("sub1.sub2.slack.com/");
lazy non capturing
new RegExp("^(:?[^./]+\\.)*?slack.com").test("sub1.sub2.slack.com/");