MeasureThat.net

Run results for: Single vs multiple regex replace calls

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36
Chrome 98
Linux
Desktop
3 years ago
Test name Executions per second
Multiple, regex 2579304.5 Ops/sec
Single, regex 2178213.5 Ops/sec
Single, group regex 2209831.0 Ops/sec
No regex 2202765.2 Ops/sec
Script Preparation code:
AخA
 
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','')