Benchmark: Test regex with start

Script Preparation code:

var text = "BearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearerBearer";

Tests:

Regex Test
text.replace("Bearer ", "")
String match
text.replace(/^Bearer "/, "")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Regex Test
String match

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser/OS: Chrome 114 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Regex Test	622587.2 Ops/sec
String match	19242500.0 Ops/sec

Test regex with start (version: 0)

Comparing performance of: Regex Test vs String match

Created: 10 months ago by: Guest

Jump to the latest result

Regex Test

String match

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A