Things That Drive Us Nuts
Have you noticed the use of the reCaptcha feature at EE and other web sites? It wants you to read and retype something that looks like this.
Insanity! It's not EE's fault - that's just the way reCaptcha works. But it i…
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: