diff --git a/examples/docs/original/02-blocks.docx b/examples/docs/original/02-loops.docx
similarity index 57%
rename from examples/docs/original/02-blocks.docx
rename to examples/docs/original/02-loops.docx
index 1df58ea..3dfd056 100644
Binary files a/examples/docs/original/02-blocks.docx and b/examples/docs/original/02-loops.docx differ
diff --git a/examples/docs/processed/02-blocks.docx b/examples/docs/processed/02-loops.docx
similarity index 56%
rename from examples/docs/processed/02-blocks.docx
rename to examples/docs/processed/02-loops.docx
index 6b9e3c7..9a331bc 100644
Binary files a/examples/docs/processed/02-blocks.docx and b/examples/docs/processed/02-loops.docx differ
diff --git a/examples/scripts/02-blocks.php b/examples/scripts/02-loops.php
similarity index 57%
rename from examples/scripts/02-blocks.php
rename to examples/scripts/02-loops.php
index 4f89e4d..510b149 100644
--- a/examples/scripts/02-blocks.php
+++ b/examples/scripts/02-loops.php
@@ -3,20 +3,20 @@
 
 use DocxTemplate\TemplateFactory;
 
-$doc = new ExampleDoc("02-blocks.docx");
+$doc = new ExampleDoc("02-loops.docx");
 $template = TemplateFactory::load($doc->getOriginalPath());
 
-$template->loop("block", [
+$template->loop("loop", [
     [
-        'block_var' => "var1"
+        'var' => "iteration1"
     ],
 
     [
-        'block_var' => "var2"
+        'var' => "iteration2"
     ],
 
     [
-        'block_var' => "var3"
+        'var' => "iteration3"
     ]
 ]);
 
diff --git a/src/DocxTemplate/Content/Collection/LoopCollection.php b/src/DocxTemplate/Content/Collection/LoopCollection.php
index 8750e27..5ad25c9 100644
--- a/src/DocxTemplate/Content/Collection/LoopCollection.php
+++ b/src/DocxTemplate/Content/Collection/LoopCollection.php
@@ -13,7 +13,7 @@ class LoopCollection extends ContentCollection
     /**
      * @var MarkedContent
      */
-    private $currentItem;
+    private $currentIteration;
 
     /**
      * @param MarkedContent $content
@@ -34,46 +34,36 @@ public function getBaseContent()
     /**
      * @return MarkedContent
      */
-    public function getCurrentItem()
+    public function getCurrentIteration()
     {
-        return $this->currentItem;
-    }
-
-    /**
-     * @param array $row
-     * @return $this
-     */
-    public function assignRow(array $row)
-    {
-        $item = $this->itemStart();
-        $item->assign($row);
-        $this->itemEnd();
-
-        return $this;
+        return $this->currentIteration;
     }
 
     /**
+     * @param array $values
      * @return MarkedContent
      */
-    public function itemStart()
+    public function iterate(array $values = [])
     {
-        if (!$this->currentItem) {
-            $this->currentItem = clone $this->baseContent;
+        if ($this->currentIteration) {
+            $this->addContent($this->currentIteration);
         }
 
-        return $this->currentItem;
-    }
-
-    public function itemEnd()
-    {
-        if ($this->currentItem) {
-            $this->addContent($this->currentItem);
-            $this->currentItem = null;
+        $this->currentIteration = clone $this->baseContent;
+        if ($values) {
+            $this->currentIteration->assign($values);
         }
+
+        return $this->currentIteration;
     }
 
     public function finish()
     {
+        if ($this->currentIteration) {
+            $this->addContent($this->currentIteration);
+            $this->currentIteration = null;
+        }
+
         $this->baseContent->getBindedTo()->assign([
             $this->baseContent->getBindedMark() => $this
         ]);
diff --git a/src/DocxTemplate/Content/MarkedContent.php b/src/DocxTemplate/Content/MarkedContent.php
index c3bc8a7..97f7aa3 100644
--- a/src/DocxTemplate/Content/MarkedContent.php
+++ b/src/DocxTemplate/Content/MarkedContent.php
@@ -46,12 +46,11 @@ public function assign($key, $value = null)
     public function extractContent($name)
     {
         $content = $this->getContent();
-        $uniqName = uniqid($name);
-        $extracted = $this->matcher->extractRange($name . "_start", $name . "_end", $uniqName, $content);
+        $extracted = $this->matcher->extractRange($name, $name, $name, $content);
         $this->setContent($content);
 
         $content = new MarkedContent($extracted, $this->matcher);
-        $content->bindTo($uniqName, $this);
+        $content->bindTo($name, $this);
         return $content;
     }
 
@@ -66,7 +65,7 @@ public function loop($name, $rows = [])
         $loop = new LoopCollection($block);
 
         foreach ($rows as $row) {
-            $loop->assignRow($row);
+            $loop->iterate($row);
         }
 
         $loop->finish();
diff --git a/src/DocxTemplate/Matcher.php b/src/DocxTemplate/Matcher.php
index cac7ad0..ce9616c 100644
--- a/src/DocxTemplate/Matcher.php
+++ b/src/DocxTemplate/Matcher.php
@@ -110,12 +110,15 @@ public function getMarks($text)
     public function extractRange($fromMark, $toMark, $placeMark, &$text)
     {
         $uniqId = uniqid();
-        $text = $this->replaceMarks([
-            $fromMark => "FROM_MARK_" . $uniqId,
-            $toMark   => "TO_MARK_" . $uniqId
-        ], $text);
+        $tmpReplace = [
+            $fromMark => "MARK_" . $uniqId,
+        ];
+        if ($toMark != $fromMark) {
+            $tmpReplace[$toMark] = "MARK_" . $uniqId;
+        }
+        $text = $this->replaceMarks($tmpReplace, $text);
 
-        $pattern = "/FROM_MARK_{$uniqId}(.*)TO_MARK_{$uniqId}/";
+        $pattern = "/MARK_{$uniqId}(.*)MARK_{$uniqId}/";
         $rangeContent = "";
         $text = preg_replace_callback($pattern, function ($matches) use (&$rangeContent, $placeMark) {
             if (isset($matches[1])) {