Run results for: Literal regexp's vs string and array methods

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Find a number within a string via string and array methods	337716.2 Ops/sec
Find a number within a string via literal regexp	1255559.8 Ops/sec
Find a number within a string via strong literal regexp	734599.6 Ops/sec

Script Preparation code:

const tests = [
	'Alasdkfjdsfndv dfjwsdfsmd +\
		s@sdfsdvdsv dwoaslkvkl +\
		skcslmvklfnkl klaml fm +\
		wemvfz;lpakpokqmdsfdkm +\
		kreklmswlms lmfklsmskl +\
		l;fl; s,dl;fmsklnkfsd; +\
		sahfwijrn 1',
	'3Jognsahasdojjjdishuihjnj +\
	 	sdfskdfkshfskmfsdjnf',
	'Asnasbdbasdahsfsdjfsdfbds +\
		eiejdksjhsjj7'
]

function strContainsNumsv1(str) {
	return str.split('').findIndex(e => [0,1,2,3,4,5,6,7,8,9].includes(+e)) != -1;
}

function strContainsNumsv2(str) {
	return /\d/.test(str);
}

function strContainsNumsv3(str) {
	return /^(?=.*[0-9]).*$/.test(str);
}

function runTestv1() {
	tests.forEach(e => strContainsNumsv1(e))
}

function runTestv2() {
	tests.forEach(e => strContainsNumsv2(e))
}

function runTestv3() {
	tests.forEach(e => strContainsNumsv3(e))
}

Tests:

Find a number within a string via string and array methods
runTestv1()
Find a number within a string via literal regexp
runTestv2()
Find a number within a string via strong literal regexp
runTestv3()

Run results for: Literal regexp's vs string and array methods

Literal regexp's vs string and array methods when searching a number in a string

Find a number within a string via string and array methods

Find a number within a string via literal regexp

Find a number within a string via strong literal regexp