php如何隐藏电子邮件地址的一部分？

Question

i currently have this:

    $value = preg_replace('@hotmail.com', '***********', $value);
    $value = preg_replace('yahoo.com', '***********', $value);
    $value = preg_replace('outlook.com', '***********', $value);
    $value = preg_replace('mailinator.com', '***********', $value);
    $value = preg_replace('live.com', '***********', $value);
    $value = preg_replace('live.nl', '***********', $value);

but how can i show e email adress like this: juliankuit******** ? email is: [e-mail]

and without having to replace all the email providers like hotmail.com with *'s

thanks in advance!

Answer 1

echo preg_replace('/(?<=.).(?=.*@)/u','*','[e-mail]');

Will return

T********@Google.com