Channel id limit

[yyfearth]

channel id should be consist of alphabets, numbers, _ or -, and not case sensitive
regex: /^\/[\w\-]+\/?$/
url: /(channel id) e.g. /cmpe203, /0
and channel id will auto add '/' in front if it is not.

[masonwan]

@yyfearth Is this a wiki or a feature which should be implemented later?

[yyfearth]

it is should be in wiki, but i put in here for wiki do not has this kinds of details and it seems a feature too

[masonwan]

I'll mark it as document. Later I'll put it on wiki page.