Forum:I need help with a creating a bot!

Ok so I've never built a wiki bot before I would like it be named Erex Bot right can you guys help me to build one or teach me to build one? I want it to revert vandalism and correct spelling and grammatical mistakes.--Erex Malren-User Talk:Erex Malren-Message Me - Blog 16:16, September 6, 2012 (UTC)