diff --git a/6.3_using_RE_after_first_QM b/6.3_using_RE_after_first_QM
new file mode 100644
index 0000000..24e4750
--- /dev/null
+++ b/6.3_using_RE_after_first_QM
@@ -0,0 +1,80 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "16bfecfd",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1\n",
+      "2\n",
+      "3\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Re wood: Search for the word wood in the song_text supplied, and enriched by wannabe-developer \n",
+    "\n",
+    "import re\n",
+    "song_text_enriched = \"\"\"\"How much wood would a woodchuck chuck\\n\",\n",
+    "    \"If a woodchuck could chuck wood?\\n\",\n",
+    "    \"He would chuck, he would, as much as he could,\\n\",\n",
+    "    \"And chuck as much as a woodchuck would\\n\",\n",
+    "    \"If a Mrs. Smith or Mr. Smith, could chuck wood\\\\n\\\\r\\\\t.\\\"\\\"\\\"\\n\",\n",
+    "    \"\\n\",\"\"\"\n",
+    "\n",
+    "# Remark: To find all appearances of the word wood in the song_text_supplied please use:\n",
+    "# search_result_wood = re.finditer(r'\\ wood', song_text_enriched)\n",
+    "\n",
+    "# Remark: To find the word \"wood\", in case no alphabetical character follows, please use:\n",
+    "\n",
+    "search_result_wood = re.finditer(r'\\ wood[^a-zA-Z]', song_text_enriched)\n",
+    "count_wood = 0\n",
+    "for occurence_of_wood in search_result_wood:\n",
+    "    count_wood += 1\n",
+    "    print(count_wood)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "83b2670e",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "498b4543",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.10"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}