diff --git a/src/tools/utils/editorOperationUtils.ts b/src/tools/utils/editorOperationUtils.ts
index ba40642..16ed79f 100644
--- a/src/tools/utils/editorOperationUtils.ts
+++ b/src/tools/utils/editorOperationUtils.ts
@@ -60,7 +60,8 @@ function splitOperationText (
     if (rangeText != null && rangeText !== '') {
       const rangeTextIndex = textToSplit.indexOf(rangeText)
       if (rangeTextIndex !== -1) {
-        splitText.push(textToSplit.slice(0, rangeTextIndex))
+        const endIndex = textToSplit.endsWith('\n') ? rangeTextIndex - 1 : rangeTextIndex
+        splitText.push(textToSplit.slice(0, endIndex))
         textToSplit = textToSplit.slice(rangeTextIndex + rangeText.length)
       } else {
         splitText.push(textToSplit)
@@ -71,7 +72,7 @@ function splitOperationText (
   }
 
   if (textToSplit !== '') {
-    splitText.push(textToSplit)
+    splitText.push(textToSplit.endsWith('\n') ? textToSplit.slice(0, textToSplit.length - 1) : textToSplit)
   }
   return splitText
 }
diff --git a/src/tools/utils/rangeUtils.ts b/src/tools/utils/rangeUtils.ts
index 85de807..70fc462 100644
--- a/src/tools/utils/rangeUtils.ts
+++ b/src/tools/utils/rangeUtils.ts
@@ -52,7 +52,7 @@ export function minusRanges (
   }
 
   if (lastEndPosition.isBeforeOrEqual(uniqueRangeEndPosition)) {
-    firstRanges.push(monaco.Range.fromPositions(lastEndPosition, uniqueRangeEndPosition))
+    firstRanges.push(monaco.Range.fromPositions(model.modifyPosition(lastEndPosition, 1), uniqueRangeEndPosition))
   }
 
   return { firstRanges, secondRanges }