# Match email address from list of Name,Email , email can be with country code domain or company domain.

# List of names (file names.txt)
Cameron Carr    cameron.carr@example.com
Tim Burgess tim@example.us
Wanda   Dyer    wanda@example.com
Bella   Dowd    bella.dowd@example.com
Madeleine   Mills   madeleine.mills@example.us

grep -Eo '(\w+\.)?\w+@\w+\.[a-z]{2,3}$' names.txt
cameron.carr@example.com
tim@example.us
wanda@example.com
bella.dowd@example.com
madeleine.mills@example.us