Any data that enters your system from outside a trust boundary should be treated as untrusted until proven otherwise. That includes form fields, API payloads, file uploads, headers, cookies, queue ...

Every time I wrote a regular expression (regex), I would search for one, copy and paste someone else's expression, and adopt it because it seemed to work. When I first started, this was my approach.

Secure coding refers to the practice of writing source code for software applications in a manner that actively prevents the introduction of security vulnerabilities. It is a proactive approach ...

Ever wished you could instantly extract all email addresses from a document or clean up messy data with a single command? Regex makes that possible. Regular expressions (often shortened to “regex”) ...

Iodine.js is a micro client-side validation library. It has no dependencies and can be used in isolation or as part of a framework. Iodine also supports chainable rules, allowing you to verify that a ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential part ...