Run results for: regex vs bigint

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: one year ago

Test name	Executions per second
TestRegex validation - Valid input	26010314.0 Ops/sec
Regex validation - Invalid input	43248424.0 Ops/sec
gex5fUss') OR 258=(SELECT 258 FROM PG_SLEEP(15))--	11689074.0 Ops/sec
Try-catch validation - Invalid input	102001.5 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