Run results for: regex vs bigint

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
✓ Regex validation - Invalid input	75,706,968 Ops/sec
TestRegex validation - Valid input	57,412,380 Ops/sec
Try-catch validation - Valid input	27,754,934 Ops/sec
Try-catch validation - Invalid input	387,914 Ops/sec

Script Preparation code:

// Test description: Comparing regex validation vs try-catch with BigInt for numeric string validation

// Setup
const validTokenId = "12345678901234567890"; // Valid numeric string
const invalidTokenId = "123abc456"; // Invalid numeric string containing letters

// Test function for regex validation
function validateWithRegex(tokenId) {
    return /^\d+$/.test(tokenId);
}

// Test function for try-catch validation
function validateWithTryCatch(tokenId) {
    try {
        BigInt(tokenId);
        return true;
    } catch {
        return false;
    }
}
      
      // Benchmark suite
suite('String Numeric Validation', function() {
    // Regex with valid input
    benchmark('Regex validation - Valid input', function() {
        return validateWithRegex(validTokenId);
    });

    // Regex with invalid input
    benchmark('Regex validation - Invalid input', function() {
        return validateWithRegex(invalidTokenId);
    });

    // Try-catch with valid input
    benchmark('Try-catch validation - Valid input', function() {
        return validateWithTryCatch(validTokenId);
    });

    // Try-catch with invalid input
    benchmark('Try-catch validation - Invalid input', function() {
        return validateWithTryCatch(invalidTokenId);
    });
});

Tests:

TestRegex validation - Valid input
validateWithRegex(validTokenId)
Regex validation - Invalid input
validateWithRegex(invalidTokenId)
Try-catch validation - Valid input
validateWithTryCatch(validTokenId)
Try-catch validation - Invalid input
validateWithTryCatch(invalidTokenId)

Run results for: regex vs bigint

TestRegex validation - Valid input

Regex validation - Invalid input

Try-catch validation - Valid input

Try-catch validation - Invalid input