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:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Linux

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
replace regex	2514235.8 Ops/sec
replace All	4272164.0 Ops/sec
split&join	1885869.5 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('+');