Note that the
perlfaq correctly notes that there is no simple regex to match an RFC-822 compliant e-mail address. Please note this!
With that in mind, if your data file is as simple as what you say, I would do something like this:
(undef, $address, undef) = split '', $line;
I wouldn't bother with trying to match anything else, I'd just split. Again, this depends on your text file being *very* simple, as simple as you've described it above.
For anything else, the modules Email::Find and Email::Valid might come in handy.
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