{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import re"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "EXTRA_DIGITS = {\n",
    "    \"i\": 1,\n",
    "    \"l\": 1,\n",
    "}\n",
    "\n",
    "EXTRA_DIGIT_STR = \"\".join(EXTRA_DIGITS)\n",
    "\n",
    "NUMBER_SANITY_RE = re.compile(\n",
    "    fr\"\"\"\n",
    "    \\b\n",
    "    (?:\n",
    "        [0-9{EXTRA_DIGIT_STR}]\n",
    "        [0-9{EXTRA_DIGIT_STR}.,/-]*\n",
    "        [0-9{EXTRA_DIGIT_STR}]\n",
    "    )\n",
    "    \\b\n",
    "    \"\"\",\n",
    "    re.S | re.X,\n",
    ")\n",
    "\n",
    "\n",
    "def numberRepl(match):\n",
    "    number = match.group(0)\n",
    "    for (extraDigit, value) in EXTRA_DIGITS.items():\n",
    "        number = number.replace(extraDigit, str(value))\n",
    "    return number"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "text = \"\"\"\n",
    "de poederzuijker voor l32/243 Spaans de frazel van 27 lb, reekent 35 V2 percento<lb/>\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "de poederzuijker voor 132/243 Spaans de frazel van 27 lb, reekent 35 V2 percento<lb/>\n",
      "\n"
     ]
    }
   ],
   "source": [
    "text = NUMBER_SANITY_RE.sub(numberRepl, text)\n",
    "print(text)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "MARK_NUM = r\"\"\"\n",
    "    (?:\n",
    "        [0-9]{1,2}\n",
    "        (?:\n",
    "            \\s+\n",
    "            [0-9]{1,2}\n",
    "        )*\n",
    "    )\n",
    "\"\"\"\n",
    "\n",
    "MARK_PLAIN_RE = re.compile(\n",
    "    fr\"\"\"\n",
    "        (\n",
    "            (?:\n",
    "                <super>\n",
    "                {MARK_NUM}\n",
    "                </super>\n",
    "            )\n",
    "            |\n",
    "            (?:\n",
    "                ⌊\n",
    "                [0-9]{{1,2}}\n",
    "                ⌋\n",
    "            )\n",
    "            |\n",
    "            (?:\n",
    "                (?<=[a-zé])\n",
    "                [0-9]{{1,2}}\n",
    "                \\b\n",
    "            )\n",
    "            |\n",
    "            (?:\n",
    "                (?<=[a-zé][;.])\n",
    "                [0-9]{{1,2}}\n",
    "                \\b\n",
    "            )\n",
    "        )\n",
    "    \"\"\",\n",
    "    re.S | re.X,\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "text = \"\"\"van het eyland Zakynthos28,<lb/>\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "match = MARK_PLAIN_RE.search(text)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<re.Match object; span=(24, 26), match='28'>"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "match"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'28'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "match.group(0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "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": "3.8.5"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}