"RPL_NAMREPLY        \"<channel> :[[@|+]<nick> [[@|+]<nick> [...]]]\"."
   (if (string-match "^[=\*@] *\\([^ ]+\\) +:" string)
       (let ((channel (match-string 1 string))
-           users)
+           (start 0))
        (setq string (substring string (match-end 0)))
-       (if (string-match " *$" string)
-           (setq string (substring string 0 (match-beginning 0))))
-       (setq users (split-string string))
-       (while users
-         (if (eq (aref (car users) 0) ?@)
-             (progn
-               (riece-naming-assert-join (substring (car users) 1) channel)
-               (riece-channel-toggle-operator
-                channel (substring (car users) 1) t))
-           (if (eq (aref (car users) 0) ?+)
-               (progn
-                 (riece-naming-assert-join (substring (car users) 1) channel)
-                 (riece-channel-toggle-speaker
-                  channel (substring (car users) 1) t))
-             (riece-naming-assert-join (car users) channel)))
-         (setq users (cdr users)))
+       (while (string-match
+               (concat "\\([@+]\\)?\\(" riece-user-regexp "\\) ")
+               string start)
+         (put-text-property (match-beginning 2) (match-end 2)
+                            'riece-identity
+                            (riece-make-identity (match-string 2 string)
+                                                 riece-server-name)
+                            string)
+         (setq start (match-end 0))
+         (if (match-beginning 1)
+             (if (eq (aref string (match-beginning 1)) ?@)
+                 (progn
+                   (riece-naming-assert-join
+                    (match-string 2 string) channel)
+                   (riece-channel-toggle-operator
+                    channel (match-string 2 string) t))
+               (if (eq (aref string (match-beginning 1)) ?+)
+                   (progn
+                     (riece-naming-assert-join
+                      (match-string 2 string) channel)
+                     (riece-channel-toggle-speaker
+                      channel (match-string 2 string) t))))
+           (riece-naming-assert-join (match-string 2 string) channel)))
        (let* ((channel-identity (riece-make-identity channel
                                                      riece-server-name))
               (buffer (riece-channel-buffer channel-identity)))