gistfile1.clj

      (def chans (re-seq #"#[^ ]+" "#dev-1 #dev-2"))
      (println "class of channels: " (class chans) "; and count is " (count chans))
      (println "first: " (first chans))
      (println "rest: " (rest chans))
      (map #(println "should've joined " %) chans)
      (println "autojoin should've fired by now")

--
output:
class of channels:  clojure.lang.LazySeq ; and count is  2
first:  #dev-1
rest:  (#dev-2)
autojoin should've fired by now