Run results for: (vanilla) replaceAll vs regex replace vs split&join - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Linux

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
replace regex	12992352.0 Ops/sec
replace All	22403170.0 Ops/sec
split&join	11739568.0 Ops/sec

Tests:

replace regex
"this {a} is {a} it".replace(/\{a\}/g, "+");
replace All
"this {a} is {a} it".replaceAll("{a}", "+");
split&join
"this {a} is {a} it".split('{a}').join('+');