I use :
Onboarding schedule / tasklist / progress-o-meter. This is not meant for anything definitive, but rather a guideline to get an idea of what newjoiners should go through to gather basic knowledge of our working habits and systems.
Here is a simple and robust way to check for the validity of an email address syntax directly in the browser. No need for crazy regular expressions.
e = document.createElement('input') e.type = 'email' // check some email addresses e.value = 'hi@'