diff --git a/lib/Note.lib.php b/lib/Note.lib.php
index bb51a8a..c490278 100644
--- a/lib/Note.lib.php
+++ b/lib/Note.lib.php
@@ -196,7 +196,7 @@ class Note {
         $title = preg_replace([
             "/^- \[ \] /m",
             "/^- \[x\] /m"
-        ], "", $title);
+                ], "", $title);
         return trim($title);
     }
 
@@ -326,6 +326,14 @@ class Note {
         $this->setText(implode("\n", $text));
     }
 
+    /**
+     * Remove checklist markup from the note.
+     */
+    public function fromChecklist() {
+        $text = preg_replace("/^- \[[ x]\] /im", "", $this->getText());
+        $this->setText($text);
+    }
+
     /**
      * Toggle the checked status of a checklist item.
      * @param string $item The text of the item to toggle.
@@ -334,17 +342,17 @@ class Note {
         $text = explode("\n", $this->getText());
         $item = trim(str_replace("\n", "", $item));
         for ($i = 0; $i < count($text); $i++) {
-            if (!preg_match("/^- \[[x ]\] .*/", $text[$i])) {
+            if (!preg_match("/^- \[[x ]\] .*/i", $text[$i])) {
                 continue;
             }
-            $linecleaned = trim(preg_replace("/^- \[[x ]\] /", "", $text[$i]));
+            $linecleaned = trim(preg_replace("/^- \[[x ]\] /i", "", $text[$i]));
             if ($item != $linecleaned) {
                 continue;
             }
-            if (preg_match("/^- \[[x]\] .*/", $text[$i])) {
-                $text[$i] = preg_replace("/^- \[[x]\] /", "- [ ] ", $text[$i]);
-            } else if (preg_match("/^- \[ \] .*/", $text[$i])) {
-                $text[$i] = preg_replace("/^- \[ \] /", "- [x] ", $text[$i]);
+            if (preg_match("/^- \[[x]\] .*/i", $text[$i])) {
+                $text[$i] = preg_replace("/^- \[[x]\] /i", "- [ ] ", $text[$i]);
+            } else if (preg_match("/^- \[ \] .*/i", $text[$i])) {
+                $text[$i] = preg_replace("/^- \[ \] /i", "- [x] ", $text[$i]);
             }
         }
         $this->setText(implode("\n", $text));