Run results for: IP Split vs Regex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
regex	8582449.0 Ops/sec
split	914744.3 Ops/sec

Script Preparation code:

var value = "192.25.23.1"

Tests:

regex
// Check if value is an IP address if (/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(value)) { return true; }
split
var parts = value.split("."); if (parts.length !== 4) { return false; } for (var i = 0; i < parts.length; i++) { var part = parseInt(parts[i]); if (isNaN(part) || part < 0 || part > 255) { return false; } } return true;