Write a program which separates emails from other characters.

Question

Imagine there is a long list of usernames,emails and passwords.Write a program which output will be only the emails '@' sign.
ex.
input:alex || gismo4l3x | [e-mail] u77 kgghhjouy bv hhj gmail.com
output: [e-mail]

Answer 1

https://code.sololearn.com/c0aVkAA025LU/?ref=app

Did it in 1 line

Answer 2

This is often done with regex: an example I found on stack overflow

var re = /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i;