$deuhc(<user@host>)

This function removes a *! or *!*@ from the <user@host>, if it is present.

It can be used as a quick way to get only the hostname from a full address argument.

arguments without *! or *!*@ in front

$deuhc(*!user@host)                       returns "user@host"
$deuhc(*!*@host)                          returns "host"