Extract the email address from the string
Extract the email address from the string

me@davidgarcia.cat => me@davidgarcia.cat
David Garcia <me@davidgarcia.cat> => me@davidgarcia.cat
David Garcia me@davidgarcia.cat => me@davidgarcia.cat
David me@davidgarcia.cat Garcia => me@davidgarcia.cat

mailgun/mailgun-php,michabbb-backup/mailgun-php