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check regex vs split2
(version: 0)
Comparing performance of:
regex vs Other
Created:
2 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var tester = /^[-!#$%&'*+\/0-9=?A-Z^_a-z`{|}~](\.?[-!#$%&'*+\/0-9=?A-Z^_a-z`{|}~])*@[a-zA-Z0-9](-*\.?[a-zA-Z0-9])*\.[a-zA-Z](-?[a-zA-Z0-9])+$/; var email = "valid@gmail.com" var email2 = "invalidgmail.com"
Tests:
regex
tester.test(email)
Other
var emailParts = email.split('@'); var account = emailParts[0]; var address = emailParts[1]; if (account.length > 64) return false; else if (address.length > 255) return false; var domainParts = address.split('.'); if (domainParts.some(function (part) { return part.length > 63; })) return false;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
regex
Other
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and explain what's being tested. **Benchmark Overview** The benchmark compares the performance of two approaches to validate an email address: 1. **Regex**: Using a regular expression (tester) to check if the input string matches the email pattern. 2. **Splitting**: Slicing the input string into parts using the `@` character as a delimiter, and then validating each part separately. **Options Compared** The benchmark compares the performance of these two approaches on the same test case: * **Regex (tester)**: Uses a custom regular expression to check if the input string is a valid email address. * **Splitting (Other)**: Splits the input string into parts using the `@` character as a delimiter, and then validates each part separately. **Pros and Cons** * **Regex**: Pros: + Often faster than splitting, since it's a single operation. + Can be more flexible and powerful for complex validation rules. * Cons: + May be slower for very large input strings or simple patterns. + Requires careful tuning to avoid false positives or false negatives. * **Splitting**: Pros: + Faster for small to medium-sized input strings, since it's a simpler operation. + Can be more readable and maintainable for simple validation rules. * Cons: + May be slower for large input strings, since it involves multiple operations. + Requires careful tuning to avoid false positives or false negatives. **Library and Purpose** The `tester` variable is a custom regular expression that checks if the input string matches the email pattern. This library is not a standard JavaScript library, but rather a custom implementation created for this benchmark. **Special JS Feature or Syntax** There doesn't appear to be any special JavaScript feature or syntax being used in this benchmark. The code uses standard JavaScript syntax and features, such as regular expressions, string slicing, and conditional statements. **Other Alternatives** If you're interested in alternative approaches to validating email addresses, here are a few options: 1. **Using the `email-validator` library**: This is a popular JavaScript library that provides a simple API for validating email addresses. 2. **Using a different regular expression pattern**: Depending on your specific requirements, you might be able to use a different regular expression pattern to validate email addresses more efficiently or effectively. 3. **Using a third-party validation service**: You could consider using an external service, such as Google's reCAPTCHA or Amazon's SES, to validate email addresses. Keep in mind that the best approach will depend on your specific requirements and constraints, so it's worth exploring different options to find the one that works best for you.
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