Run results for: .includes() vs .test() vs .match() vs .indexOf()

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5.1 Mobile/21F90 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.5.1

Device Platform: Mobile

Date tested: one year ago

string.indexOf()

27.7M/s

string.match()

26.2M/s

regex.test()

24.2M/s

text.includes()

19.8M/s

View exact numbers

Test name	Executions per second
✓ string.indexOf()	27,727,614 Ops/sec
string.match()	26,193,120 Ops/sec
regex.test()	24,239,610 Ops/sec
text.includes()	19,750,674 Ops/sec

Script Preparation code:

var url='https://www.google.com/matchthis/other/args'

Tests:

text.includes()
url.includes('matchthis')
regex.test()
/matchthis/.test(url)
string.match()
url.match(/matchthis/)
string.indexOf()
url.indexOf('matchthis') >= 0

Run results for: .includes() vs .test() vs .match() vs .indexOf()

Compare different intra-string matching styles

text.includes()

regex.test()

string.match()

string.indexOf()