What characters are illegal on the filename on iOS or OS X? [closed]

Question

What characters are illegal on the filename on iOS or OS X?

For example, char "/" is illegal. I need to remove all of them and only them.

Answer 1

Illegal characters on the HFS file system:

• : - illegal char.
• / - it's poor to use it.
• \0 - not sure, but don't use it too.