Created using Colaboratory

Author: tinhb92

re.ipynb

@@ -0,0 +1,217 @@
+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "name": "re.ipynb",
+      "provenance": [],
+      "include_colab_link": true
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    }
+  },
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "view-in-github",
+        "colab_type": "text"
+      },
+      "source": [
+        "<a href=\"https://colab.research.google.com/github/tinhb92/relax_ml/blob/master/re.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "ekTI5xEkc7Bt",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "source": [
+        "sentence = 'This is a sample string'"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "iK6Tbp2DdHuo",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "source": [
+        "import re"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "mYEKsxxcdt2O",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "cef7c775-9d0c-4ffa-88cc-c6868ad9c27c"
+      },
+      "source": [
+        "bool(re.search(r'is', sentence))"
+      ],
+      "execution_count": 3,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "True"
+            ]
+          },
+          "metadata": {
+            "tags": []
+          },
+          "execution_count": 3
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "KU6TNB2dem-_",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "source": [
+        ""
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "INPkI4OCennu",
+        "colab_type": "text"
+      },
+      "source": [
+        "Search the string to see if it starts with \"The\" and ends with \"Spain\":\n",
+        "\n"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "YFwM54t3dwlS",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "source": [
+        "txt = \"The rain in Spain\"\n",
+        "x = re.search(\"^The.*Spain$\", txt)"
+      ],
+      "execution_count": 0,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "h-YGvaFUeVeB",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "075226dc-833a-4a53-c4fc-ded1f106d273"
+      },
+      "source": [
+        "x"
+      ],
+      "execution_count": 5,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "<_sre.SRE_Match object; span=(0, 17), match='The rain in Spain'>"
+            ]
+          },
+          "metadata": {
+            "tags": []
+          },
+          "execution_count": 5
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "p4wTCELgehTd",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "8e797049-caac-409b-a556-cf3e2236c890"
+      },
+      "source": [
+        "x = re.findall(\"ai\", txt)\n",
+        "print(x)"
+      ],
+      "execution_count": 6,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "['ai', 'ai']\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "a2oBDZdRe_gR",
+        "colab_type": "code",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 34
+        },
+        "outputId": "74e7ebee-220b-4d78-cffe-368db479d841"
+      },
+      "source": [
+        "x = re.search(\"\\s\", txt)\n",
+        "\n",
+        "print(\"The first white-space character is located in position:\", x.start())"
+      ],
+      "execution_count": 7,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "The first white-space character is located in position: 3\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "zx3OTK17fRxj",
+        "colab_type": "code",
+        "colab": {}
+      },
+      "source": [
+        ""
+      ],
+      "execution_count": 0,
+      "outputs": []
+    }
+  ]
+}