diff --git a/doc/source/development/notebooks/processor_examples/regex.ipynb b/doc/source/development/notebooks/processor_examples/regex.ipynb
index c9e3ccd6b..80b2b1a0c 100644
--- a/doc/source/development/notebooks/processor_examples/regex.ipynb
+++ b/doc/source/development/notebooks/processor_examples/regex.ipynb
@@ -87,48 +87,9 @@
   },
   {
    "cell_type": "code",
-<<<<<<< HEAD
-<<<<<<< HEAD
-<<<<<<< HEAD
-<<<<<<< HEAD
-   "execution_count": 2,
-=======
-   "execution_count": 20,
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
-   "execution_count": 53,
-=======
-   "execution_count": 2,
->>>>>>> 78a96b0d (Improving Notebook 2.)
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "[Deprecated]: regex_fields are no longer necessary. Use Lucene regex annotation.\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-<<<<<<< HEAD
-      "before: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/123log+/'}, '_op_type': 'create'}\n",
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/123log+/'}, '_op_type': 'create', '_index': '/123log+/-windows-devopslab'}\n",
-      "False\n"
-=======
-      "before: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n"
->>>>>>> 78a96b0d (Improving Notebook 2.)
-     ]
-    }
-   ],
-=======
    "execution_count": null,
    "metadata": {},
    "outputs": [],
->>>>>>> 0a454895 (Improving Notebook 3.)
    "source": [
     "rule_yaml = \"\"\"---\n",
     "filter: 'data_stream.type: \".*lo.*\"'\n",
@@ -149,76 +110,6 @@
    ]
   },
   {
-<<<<<<< HEAD
-   "cell_type": "code",
-<<<<<<< HEAD
-   "execution_count": 78,
->>>>>>> 63a05f12 (Update regex notebook 3)
-=======
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "## Das ist meiner nach falsch und sollte nur mit \"\\/logs\\/\" funktionieren"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 79,
->>>>>>> ec595eb3 (Cleaning up)
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "[Deprecated]: regex_fields are no longer necessary. Use Lucene regex annotation.\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "before: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-<<<<<<< HEAD
-<<<<<<< HEAD
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n"
-=======
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-=======
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n",
->>>>>>> ec595eb3 (Cleaning up)
-      "False\n"
->>>>>>> 21ac87d3 (Update regex notebook)
-     ]
-    }
-   ],
-   "source": [
-    "rule_yaml = \"\"\"---\n",
-<<<<<<< HEAD
-    "filter: 'data_stream.type: \".*lo.*\"'\n",
-=======
-    "filter: 'data_stream.type: \"/logs/\"'     \n",
->>>>>>> 63a05f12 (Update regex notebook 3)
-    "regex_fields:\n",
-    "  - \"data_stream.type\"\n",
-    "concatenator:\n",
-    "  source_fields:\n",
-    "    - data_stream.type\n",
-    "    - data_stream.dataset\n",
-    "    - data_stream.namespace\n",
-    "  target_field: _index\n",
-    "  separator: \"-\"\n",
-    "  overwrite_target: false\n",
-    "  delete_source_fields: false\n",
-    "\"\"\"\n",
-    "/\n",
-    "concat_with_rule(rule_yaml)\n"
-   ]
-  },
-  {
-=======
->>>>>>> 78a96b0d (Improving Notebook 2.)
    "cell_type": "markdown",
    "metadata": {},
    "source": [
@@ -227,54 +118,12 @@
   },
   {
    "cell_type": "code",
-<<<<<<< HEAD
-<<<<<<< HEAD
-<<<<<<< HEAD
-<<<<<<< HEAD
-   "execution_count": 3,
-=======
-   "execution_count": 31,
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
-   "execution_count": 77,
->>>>>>> 63a05f12 (Update regex notebook 3)
-=======
-   "execution_count": 3,
->>>>>>> 78a96b0d (Improving Notebook 2.)
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "before: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n"
-<<<<<<< HEAD
-=======
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n",
-      "False\n"
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
->>>>>>> 78a96b0d (Improving Notebook 2.)
-     ]
-    }
-   ],
-=======
    "execution_count": null,
    "metadata": {},
    "outputs": [],
->>>>>>> 0a454895 (Improving Notebook 3.)
    "source": [
     "rule_yaml = \"\"\"---\n",
-<<<<<<< HEAD
-<<<<<<< HEAD
     "filter: 'data_stream.type: /.*log.*/'    \n",
-=======
-    "filter: 'data_stream.type: /.*lo.*/'    \n",
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
-    "filter: 'data_stream.type: /.*log.*/'    \n",
->>>>>>> 63a05f12 (Update regex notebook 3)
     "concatenator:\n",
     "  source_fields:\n",
     "    - data_stream.type\n",
@@ -289,11 +138,6 @@
    ]
   },
   {
-<<<<<<< HEAD
-<<<<<<< HEAD
-<<<<<<< HEAD
-=======
->>>>>>> 78a96b0d (Improving Notebook 2.)
    "cell_type": "markdown",
    "metadata": {},
    "source": [
@@ -302,136 +146,9 @@
   },
   {
    "cell_type": "code",
-<<<<<<< HEAD
-   "execution_count": 4,
-<<<<<<< HEAD
-   "metadata": {},
-   "outputs": [
-    {
-=======
-   "cell_type": "code",
-   "execution_count": 71,
-   "metadata": {},
-   "outputs": [
-    {
-<<<<<<< HEAD
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "[Deprecated]: regex_fields are no longer necessary. Use Lucene regex annotation.\n"
-     ]
-    },
-    {
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
->>>>>>> 32bf3e59 (Update regex notebook 2)
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "before: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-<<<<<<< HEAD
-<<<<<<< HEAD
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n"
-=======
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-=======
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n",
->>>>>>> 32bf3e59 (Update regex notebook 2)
-      "False\n"
->>>>>>> 21ac87d3 (Update regex notebook)
-     ]
-    }
-   ],
-   "source": [
-    "rule_yaml = \"\"\"---\n",
-<<<<<<< HEAD
-<<<<<<< HEAD
-<<<<<<< HEAD
-    "filter: 'data_stream.type: /\\\\/lo.*/'    \n",
-    "                           \n",
-=======
-    "filter: 'data_stream.type: \".*lo.*\"'     \n",
-    "regex_fields:\n",
-    "  - \"data_stream.type\"\n",
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
-    "filter: 'data_stream.type: /\\/.*lo.*/'    \n",
->>>>>>> 32bf3e59 (Update regex notebook 2)
-=======
-    "filter: 'data_stream.type: /\\\\/.*lo.*/'    \n",
-=======
-   "metadata": {},
-   "cell_type": "code",
-   "outputs": [],
-   "execution_count": null,
-   "source": "### Fehlerwarnung mit nur einem Escape."
-  },
-  {
-   "metadata": {},
-   "cell_type": "code",
-   "outputs": [],
-   "execution_count": null,
-   "source": [
-    "rule_yaml = \"\"\"---\n",
-    "filter: 'data_stream.type: /\\/lo.*/'    \n",
->>>>>>> ec595eb3 (Cleaning up)
-    "                           \n",
->>>>>>> 63a05f12 (Update regex notebook 3)
-    "concatenator:\n",
-    "  source_fields:\n",
-    "    - data_stream.type\n",
-    "    - data_stream.dataset\n",
-    "    - data_stream.namespace\n",
-    "  target_field: _index\n",
-    "  separator: \"-\"\n",
-    "  overwrite_target: false\n",
-    "  delete_source_fields: false\n",
-    "\"\"\"\n",
-<<<<<<< HEAD
-<<<<<<< HEAD
-    "concat_with_rule(rule_yaml)"
-   ]
-=======
-    "\n",
-    "concat_with_rule(rule_yaml)\n"
-=======
-    "concat_with_rule(rule_yaml)"
->>>>>>> 32bf3e59 (Update regex notebook 2)
-   ]
-  },
-  {
-   "metadata": {},
-   "cell_type": "code",
-   "outputs": [],
-   "execution_count": null,
-   "source": "### Zweimal Escapen ist richtig und funktioniert. Würde sich allerdings nicht eins zu eins in Opensearch kopieren lassen. "
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 87,
-=======
->>>>>>> 78a96b0d (Improving Notebook 2.)
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "before: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create'}\n",
-<<<<<<< HEAD
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n",
-      "False\n"
-=======
-      "after: {'data_stream': {'dataset': 'windows', 'namespace': 'devopslab', 'type': '/logs/'}, '_op_type': 'create', '_index': '/logs/-windows-devopslab'}\n"
->>>>>>> 78a96b0d (Improving Notebook 2.)
-     ]
-    }
-   ],
-=======
    "execution_count": null,
    "metadata": {},
    "outputs": [],
->>>>>>> 0a454895 (Improving Notebook 3.)
    "source": [
     "rule_yaml = \"\"\"---\n",
     "filter: 'data_stream.type: /\\\\/lo.*/'    \n",
@@ -448,17 +165,6 @@
     "\"\"\"\n",
     "concat_with_rule(rule_yaml)"
    ]
-<<<<<<< HEAD
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
->>>>>>> 21ac87d3 (Update regex notebook)
-=======
->>>>>>> 78a96b0d (Improving Notebook 2.)
   }
  ],
  "metadata": {