{
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  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Tokenizer"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Different functions to tokenize text."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "> from mlxtend.text import tokenizer_[type]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Overview"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Different functions to tokenize text for natural language processing tasks, for example such as building a bag-of-words model for text classification."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### References\n",
    "\n",
    "- -"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 1 - Extract Emoticons"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "from mlxtend.text import tokenizer_emoticons"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[':)', ':(', ':-)']"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "tokenizer_emoticons('</a>This :) is :( a test :-)!')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 2 - Extract Words and Emoticons"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "from mlxtend.text import tokenizer_words_and_emoticons"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['this', 'is', 'a', 'test', ':)', ':(', ':-)']"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "tokenizer_words_and_emoticons('</a>This :) is :( a test :-)!')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## API"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "## tokenizer_emoticons\n",
      "\n",
      "*tokenizer_emoticons(text)*\n",
      "\n",
      "Return emoticons from text\n",
      "\n",
      "**Examples**\n",
      "\n",
      "\n",
      "    >>> tokenizer_emoticons('</a>This :) is :( a test :-)!')\n",
      "[':)', ':(', ':-)']\n",
      "\n",
      "For usage examples, please see\n",
      "[http://rasbt.github.io/mlxtend/user_guide/text/tokenizer_emoticons/](http://rasbt.github.io/mlxtend/user_guide/text/tokenizer_emoticons/)\n",
      "\n",
      "<br><br>\n",
      "*tokenizer_words_and_emoticons(text)*\n",
      "\n",
      "Convert text to lowercase words and emoticons.\n",
      "\n",
      "**Examples**\n",
      "\n",
      "\n",
      "    >>> tokenizer_words_and_emoticons('</a>This :) is :( a test :-)!')\n",
      "['this', 'is', 'a', 'test', ':)', ':(', ':-)']\n",
      "\n",
      "For more usage examples, please see\n",
      "[http://rasbt.github.io/mlxtend/user_guide/text/tokenizer_words_and_emoticons/](http://rasbt.github.io/mlxtend/user_guide/text/tokenizer_words_and_emoticons/)\n",
      "\n",
      "\n"
     ]
    }
   ],
   "source": [
    "with open('../../api_modules/mlxtend.text/tokenizer_emoticons.md', 'r') as f:\n",
    "    s = f.read() + '<br><br>'\n",
    "\n",
    "with open('../../api_modules/mlxtend.text/tokenizer_words_and_emoticons.md', 'r') as f:\n",
    "    s2 = f.readlines()\n",
    "    s += ''.join(s2[1:])\n",
    "print(s)"
   ]
  }
 ],
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