Run results for: replace with global regexp vs replaceAll vs split-join

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 8 months ago

replace with global regexp

613.5M/s

split-join

15.1M/s

replaceAll

6.7M/s

View exact numbers

Tests:

replace with global regexp
"i want to replace all the spaces in this string".replace(/ /g, "_");
replaceAll
"i want to replace all the spaces in this string".replaceAll(" ", "_");
split-join
"i want to replace all the spaces in this string".split(" ").join("_");