Update s3 path splitting in notebooks

Author: deliahu

examples/tensorflow/image-classifier/inception.ipynb

@@ -150,8 +150,7 @@
         "\n",
         "else:\n",
         "    try:\n",
-        "        bucket = re.search(\"s3://(.+?)/\", S3_UPLOAD_PATH).group(1)\n",
-        "        key = re.search(\"s3://.+?/(.+)\", S3_UPLOAD_PATH).group(1)\n",
+        "        bucket, key = re.match(\"s3://(.+?)/(.+)\", S3_UPLOAD_PATH).groups()\n",
         "    except:\n",
         "        print(\"\\033[91m{}\\033[00m\".format(\"ERROR: Invalid s3 path (should be of the form s3://my-bucket/path/to/file)\"), file=sys.stderr)"
       ],

examples/tensorflow/iris-classifier/tensorflow.ipynb

@@ -235,8 +235,7 @@
         "\n",
         "else:\n",
         "    try:\n",
-        "        bucket = re.search(\"s3://(.+?)/\", S3_UPLOAD_PATH).group(1)\n",
-        "        key = re.search(\"s3://.+?/(.+)\", S3_UPLOAD_PATH).group(1)\n",
+        "        bucket, key = re.match(\"s3://(.+?)/(.+)\", S3_UPLOAD_PATH).groups()\n",
         "    except:\n",
         "        print(\"\\033[91m{}\\033[00m\".format(\"ERROR: Invalid s3 path (should be of the form s3://my-bucket/path/to/file)\"), file=sys.stderr)"
       ],

examples/tensorflow/sentiment-analysis/bert.ipynb

@@ -946,8 +946,7 @@
         "\n",
         "else:\n",
         "    try:\n",
-        "        bucket = re.search(\"s3://(.+?)/\", S3_UPLOAD_PATH).group(1)\n",
-        "        key = re.search(\"s3://.+?/(.+)\", S3_UPLOAD_PATH).group(1)\n",
+        "        bucket, key = re.match(\"s3://(.+?)/(.+)\", S3_UPLOAD_PATH).groups()\n",
         "    except:\n",
         "        print(\"\\033[91m{}\\033[00m\".format(\"ERROR: Invalid s3 path (should be of the form s3://my-bucket/path/to/file)\"), file=sys.stderr)"
       ],

examples/tensorflow/text-generator/gpt-2.ipynb

@@ -292,8 +292,7 @@
         "\n",
         "else:\n",
         "    try:\n",
-        "        bucket = re.search(\"s3://(.+?)/\", S3_UPLOAD_PATH).group(1)\n",
-        "        key = re.search(\"s3://.+?/(.+)\", S3_UPLOAD_PATH).group(1)\n",
+        "        bucket, key = re.match(\"s3://(.+?)/(.+)\", S3_UPLOAD_PATH).groups()\n",
         "    except:\n",
         "        print(\"\\033[91m {}\\033[00m\".format(\"ERROR: Invalid s3 path (should be of the form s3://my-bucket/path/to/file)\"), file=sys.stderr)"
       ],

examples/xgboost/iris-classifier/xgboost.ipynb

@@ -191,8 +191,7 @@
         "\n",
         "else:\n",
         "    try:\n",
-        "        bucket = re.search(\"s3://(.+?)/\", S3_UPLOAD_PATH).group(1)\n",
-        "        key = re.search(\"s3://.+?/(.+)\", S3_UPLOAD_PATH).group(1)\n",
+        "        bucket, key = re.match(\"s3://(.+?)/(.+)\", S3_UPLOAD_PATH).groups()\n",
         "    except:\n",
         "        print(\"\\033[91m{}\\033[00m\".format(\"ERROR: Invalid s3 path (should be of the form s3://my-bucket/path/to/file)\"), file=sys.stderr)"
       ],