Since I wrote the original article about
Handling Date and Time in PHP and MySQL
several years ago, it seemed like now was a good time to update it for object-oriented PHP. This article does that, replacing as much as possible the pr…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: