Benchmark: Alphanumeric String test 2

HTML Preparation code:

var string = "isAlphaNumekjasdnfkjnasdkjfndskajnfkjasdnfkjnasdfkljnaskjdfnkasjdnfkjasndfkjnasdfkjnric091";

Script Preparation code:

var string = "is!AlphaNumekjasdnfkjnasdkjfndskajnfkjasdnfkjnasdfkljnaskjdfnkasjdnfkjasndfkjnasdfkjnric091";

Tests:

Regex
/^[a-z0-9]+$/i.test(string)
charCodeAt
function isAlphaNumeric(str) { for (let i = 0; i < str.length; i++) { let code = str.charCodeAt(i) if (!(code > 47 && code < 58) && // numeric (0-9) !(code > 64 && code < 91) && // upper alpha (A-Z) !(code > 96 && code < 123)) { // lower alpha (a-z) return false } } return true } isAlphaNumeric(string)

Rendered benchmark preparation results:

Previous results

Test case name	Result
Regex
charCodeAt

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Related benchmarks:

Alphanumeric String test 2 (version: 0)