Read the email validator

This is the email pattern that appears in a thousand codebases. Before running it, say which of these addresses it accepts. Three of them are real addresses that a person actually has.

^[\w.]+@\w+\.[a-z]{2,3}$

^[\w.]+@\w+\.[a-z]{2,3}$

^+@+\.{2,3}$

Your prediction

One row per input: whether it matches, and what each group captures
Input	Matches?
[email protected]
o'[email protected]
[email protected]
[email protected]
[email protected]
[email protected]

Nothing runs until you have answered every row.