diff --git a/features/mark-more.feature b/features/mark-more.feature
index d8196f0..625fbbb 100644
--- a/features/mark-more.feature
+++ b/features/mark-more.feature
@@ -85,3 +85,12 @@ Feature: Marking multiple parts of the buffer
     And I select "text"
     And I press "M-!"
     Then I should have 3 cursors
+
+  Scenario: Marking in region
+    Given I turn on delete-selection-mode
+    When I insert "Here's text, text and text"
+    And I select "text, text"
+    And I press "M-# text <return>"
+    And I type "more"
+    Then I should have 2 cursors
+    And I should see "Here's more, more and text"
diff --git a/features/support/env.el b/features/support/env.el
index d1534dc..51adda1 100644
--- a/features/support/env.el
+++ b/features/support/env.el
@@ -23,6 +23,7 @@
  (global-set-key (kbd "M->") 'mc/mark-next-like-this)
  (global-set-key (kbd "M-<") 'mc/mark-previous-like-this)
  (global-set-key (kbd "M-!") 'mc/mark-all-like-this)
+ (global-set-key (kbd "M-#") 'mc/mark-all-in-region)
  (global-set-key (kbd "H-SPC") 'set-rectangular-region-anchor)
  (switch-to-buffer
   (get-buffer-create "*multiple-cursors*"))
diff --git a/mc-mark-more.el b/mc-mark-more.el
index 534052e..fdffc78 100644
--- a/mc-mark-more.el
+++ b/mc-mark-more.el
@@ -129,4 +129,25 @@ With zero ARG, skip the last one and mark next."
       (multiple-cursors-mode 1)
     (multiple-cursors-mode 0)))
 
+;;;###autoload
+(defun mc/mark-all-in-region (beg end)
+  "Find and mark all the parts in the region matching the given search"
+  (interactive "r")
+  (let ((search (read-from-minibuffer "Mark all in region: "))
+        (case-fold-search nil))
+    (mc/remove-fake-cursors)
+    (goto-char beg)
+    (while (search-forward search end t)
+      (push-mark (match-beginning 0))
+      (mc/create-fake-cursor-at-point))
+    (let ((first (mc/furthest-cursor-before-point)))
+      (if (not first)
+          (error "Search failed for %S" search)
+        (mc/pop-state-from-overlay first))))
+  (if (> (mc/num-cursors) 1)
+      (multiple-cursors-mode 1)
+    (multiple-cursors-mode 0)))
+
+
+
 (provide 'mc-mark-more)
diff --git a/todo.org b/todo.org
index 3687b23..dcf7553 100644
--- a/todo.org
+++ b/todo.org
@@ -10,9 +10,7 @@
    Possible to do C-s ...
    Any way to make M-z just prompt for letter once?
 ** TODO mark-multiple-mode
-   mark-multiple has some advantages
-    -> simpler visuals, no extra cursors (matter of taste?)
-    -> moving out of the marked area quits the mode
+   mark-multiple has some advantages -> moving out of the marked area quits the mode
 ** DONE unknown command: Do for (a)ll, (o)nce or (i)gnore -> (did that work ok? (k)eep doing that or (d)on't)
    unknown-command ran once - what now? (o)nce is enough, repeat for (a)ll, (u)ndo - that did NOT work.
    unknown-command ran for all - did that work as expected? (y)es, (n)o