Pattern:
(
	(?<named>\[ \[ (?<link>.*?) \] \[ (?<name>.*?) \] \])
|
	(?<http>https?://[a-zA-Z./]+)
|
	(?<camel>[A-Z][a-z]+[A-Z][a-z]+)
|
	(?<blank>\s+)
|
	(?<unknown>.+?)
)

Line:
http://www.gmx.de CamelCase/WikiLink [[http://gmx.de][BlubBlub]]

Result:
http	=>	 http://www.gmx.de
blank	=>	  
camel	=>	 CamelCase
unknown	=>	 /
camel	=>	 WikiLink
blank	=>	  
named	=>	 [[http://gmx.de][BlubBlub]]