Run results for: sortAlphaNumUsingRegex() vs localeCompare('en', {numeric: true})

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
sortAlphaNum()	3790939.0 Ops/sec
Intl.Collator.compare()	5827203.5 Ops/sec

Script Preparation code:

var a = "FOO BAR";
var b = "foo bar";

var options = {
  numeric: true
};

var collator = new Intl.Collator('en', options);

var reA = /[^a-zA-Z]/g;
var reN = /[^0-9]/g;

function sortAlphaNum(a, b) {
  var aA = a.replace(reA, "");
  var bA = b.replace(reA, "");
  if (aA === bA) {
    var aN = parseInt(a.replace(reN, ""), 10);
    var bN = parseInt(b.replace(reN, ""), 10);
    return aN === bN ? 0 : aN > bN ? 1 : -1;
  } else {
    return aA > bA ? 1 : -1;
  }
}

Tests:

sortAlphaNum()
sortAlphaNum(a,b) === 0
Intl.Collator.compare()
collator.compare(a, b) === 0

Run results for: sortAlphaNumUsingRegex() vs localeCompare('en', {numeric: true})

sortAlphaNum()

Intl.Collator.compare()