MeasureThat.net

Run results for: compare string replace all RegExp and split + join and replace

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0
Firefox 80
Windows
Desktop
4 years ago
Test name Executions per second
Regular Expression Literal: 4300331.0 Ops/sec
split and join 1019106.8 Ops/sec
Regular Expression: 1790512.9 Ops/sec
while replace includes 6787866.0 Ops/sec
while replace indexOf 7529130.5 Ops/sec
Script Preparation code:
AخA
 
var str = "Test abc test test abc test test test abc test test abc"
Tests:

  • Regular Expression Literal:

     
    str = str.replace(/abc/g, "replaced text");

  • split and join

     
    str = str.split("abc").join("replaced text");

  • Regular Expression:

     
    str = str.replace(new RegExp("abc", "g"), "replaced text");

  • while replace includes

     
    while(str.includes("abc")){
        str = str.replace("abc", "replaced text");
    }

  • while replace indexOf

     
    while(str.indexOf("abc") !== -1){
        str = str.replace("abc", "replaced text");
    }