Hello,

I've been trying to find a way using regex to replace all special characters and spaces in a string but leaving the asterisk there.
Example:
(8.88)***1 234--

result should be:
888***1234

I've been looking on the web (still am) and also trying myself but I just can't find it, what I have removes the asterisk too, which I don't want. Here's what i have (by the way this is...