Yeah, but it you want to get all the emails in a text like "Please contact me at myfakemail@gmail.com. I already sent an email to contact@mycompany.com, but no

Yeah, but it you want to get all the emails in a text like "Please contact me at myfakemail@gmail.com. I already sent an email to contact@mycompany.com, but no one replied...", then you would have to use regexp.