Benchmark: Single vs multiple regex replace calls

Script Preparation code:

var str = "Et inventore ut est. Illum dolorem similique odit. Velit necessitatibus unde nostrum sequi ut pariatur suscipit sit magnam. Cum esse sed quod aut id. Recusandae vel commodi."

Tests:

Multiple, regex
str = str.replace(/a/g, '').replace(/e/g,'')
Single, regex
str = str.replace(/a|e/g, '')
Single, group regex
str = str.replace(/[ae]+/g, '')
No regex
str = str.replace('a', '').replace('e','')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Multiple, regex
Single, regex
Single, group regex
No regex

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 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Browser/OS: Firefox 119 on Windows

View result in a separate tab

Test name	Executions per second
Multiple, regex	8399882.0 Ops/sec
Single, regex	4290761.0 Ops/sec
Single, group regex	3275075.0 Ops/sec
No regex	15145690.0 Ops/sec

Single vs multiple regex replace calls (version: 0)

Comparing performance of: Multiple, regex vs Single, regex vs Single, group regex vs No regex

Created: 6 years ago by: Registered User

Jump to the latest result

Multiple, regex

Single, regex

Single, group regex

No regex

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A