Searching for user

Is it possible to search for username, when you remember only part of it?

Lets say I search for "satan666" but don't remember the number-part.
How can I find him?

Click on magnifying glass and start typing:

@lishadowapps Clicking the magnifying glass and then start typing Dumm trying to find me and it won't find me.
I also tested by typing shadow and it didn't show me your name.

I can not speak for the OP but it would be nice if typing any part of the name would start pulling them up. Or, allow wildcards *dumm* would find any user name with the four letter dumm in it.