This a general reply, i'm just replying to Slade because his is the post I was reading before making this reply smile

It might be a good idea to add a check to make sure they don't try and make you join 0 (/join 0, /join 00, /join 000, etc), which is the equivalent of /partall.

Code:
on *:text:!join *:#:{
  var %a, %b = $regsub($$2,/(?<=^|\x2C)0+(?=\x2C|$)/g,,%a)
  join %a
}


New username: hixxy