Hello, one solution : java API to the rescue :
(defn digits [s] (apply str (filter #(Character/isDigit %) s))) or (def digits (comp (partial apply str) (partial filter #(Character/isDigit %)))) if you prefer a more haskellish form :-) 2009/2/12 wubbie <[email protected]> > > Hello, > > How can I do this? Do we have a function that checks if > it's a char or digit? > > (digits "a2c3") > -> "23" > > Thanks, > sun > > > > -- Cordialement, Laurent PETIT --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
