{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "auto:  None\n",
      "abba:  ('ba',)\n",
      "abbababbaa:  ('ba',)\n",
      "abbaa:  ('ba',)\n",
      "ababbaaaa:  ('ba',)\n",
      "bb:  None\n",
      "aaaaaa:  None\n",
      "abbbbab:  ('ba',)\n",
      "ttabvrett:  None\n",
      "aba:  ('ba',)\n",
      "aaa:  None\n",
      "baaa:  ('ba',)\n"
     ]
    }
   ],
   "source": [
    "import re\n",
    "import functools as fc\n",
    "txt_list=[r'auto',r'abba',r'abbababbaa',r'abbaa',r'ababbaaaa',r'bb',r'aaaaaa'\n",
    "          ,r'abbbbab',r'ttabvrett',r'aba',r'aaa',r'baaa'\n",
    "          ]\n",
    "#retval=re.search(r'<(.*)>(.*)>(.+?)',txt)\n",
    "single_check=fc.partial(re.search, r'(ba)')\n",
    "retval=map(single_check,txt_list)\n",
    "for i,it in enumerate(retval):\n",
    "    print(txt_list[i],end=':  ')\n",
    "    if it==None: print('None')\n",
    "    else:  print(it.groups())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(abba)=================\n",
      "auto:  None\n",
      "abba:  ('abba',)\n",
      "abbababbaa:  ('abba',)\n",
      "abbaa:  ('abba',)\n",
      "ababbaaaa:  None\n",
      "bb:  None\n",
      "aaaaaa:  None\n",
      "abbbbab:  None\n",
      "ttabvrett:  None\n",
      "aba:  None\n",
      "aaa:  None\n",
      "baaa:  None\n",
      "(^abb).*(bbaa$)|^abbaa|^abbbaa=================\n",
      "auto:  None\n",
      "abba:  None\n",
      "abbababbaa:  ('abb', 'bbaa')\n",
      "abbaa:  (None, None)\n",
      "ababbaaaa:  None\n",
      "bb:  None\n",
      "aaaaaa:  None\n",
      "abbbbab:  None\n",
      "ttabvrett:  None\n",
      "aba:  None\n",
      "aaa:  None\n",
      "baaa:  None\n",
      "^(a[b-z]*a[b-z]*a[b-z]*)*[b-z]*$=================\n",
      "auto:  None\n",
      "abba:  None\n",
      "abbababbaa:  None\n",
      "abbaa:  ('abbaa',)\n",
      "ababbaaaa:  ('aaa',)\n",
      "bb:  (None,)\n",
      "aaaaaa:  ('aaa',)\n",
      "abbbbab:  None\n",
      "ttabvrett:  None\n",
      "aba:  None\n",
      "aaa:  ('aaa',)\n",
      "baaa:  None\n",
      "(?P<mmm>^..).*(?P=mmm)$|^(?P<mm>.)(?P=mm){1,2}$=================\n",
      "auto:  None\n",
      "abba:  None\n",
      "abbababbaa:  None\n",
      "abbaa:  None\n",
      "ababbaaaa:  None\n",
      "bb:  (None, 'b')\n",
      "aaaaaa:  ('aa', None)\n",
      "abbbbab:  ('ab', None)\n",
      "ttabvrett:  ('tt', None)\n",
      "aba:  None\n",
      "aaa:  (None, 'a')\n",
      "baaa:  None\n",
      "(a|b)(a|b)*$=================\n",
      "auto:  None\n",
      "abba:  ('a', 'a')\n",
      "abbababbaa:  ('a', 'a')\n",
      "abbaa:  ('a', 'a')\n",
      "ababbaaaa:  ('a', 'a')\n",
      "bb:  ('b', 'b')\n",
      "aaaaaa:  ('a', 'a')\n",
      "abbbbab:  ('a', 'b')\n",
      "ttabvrett:  None\n",
      "aba:  ('a', 'a')\n",
      "aaa:  ('a', 'a')\n",
      "baaa:  ('b', 'a')\n",
      "(a(?:a|b)*)$|(?:b(?:a|b)*)$=================\n",
      "auto:  None\n",
      "abba:  ('abba',)\n",
      "abbababbaa:  ('abbababbaa',)\n",
      "abbaa:  ('abbaa',)\n",
      "ababbaaaa:  ('ababbaaaa',)\n",
      "bb:  (None,)\n",
      "aaaaaa:  ('aaaaaa',)\n",
      "abbbbab:  ('abbbbab',)\n",
      "ttabvrett:  None\n",
      "aba:  ('aba',)\n",
      "aaa:  ('aaa',)\n",
      "baaa:  (None,)\n"
     ]
    }
   ],
   "source": [
    "e1a=r'(abba)'\n",
    "e1b=r'(^abb).*(bbaa$)|^abbaa|^abbbaa'\n",
    "e1c=r'^(a[b-z]*a[b-z]*a[b-z]*)*[b-z]*$'\n",
    "e1d=r'(?P<mmm>^..).*(?P=mmm)$|^(?P<mm>.)(?P=mm){1,2}$'\n",
    "e1e=r'^[b-z]*(a[b-z]+)*a{0,1}$'\n",
    "e2=r'(a|b)(a|b)*$'\n",
    "e22=r'(a(?:a|b)*)$|(?:b(?:a|b)*)$'\n",
    "exps=[e1a,e1b,e1c,e1d,e2,e22]\n",
    "\n",
    "for test_re in exps:\n",
    "    single_check=fc.partial(re.match, test_re)\n",
    "    retval=map(single_check,txt_list)\n",
    "    print(test_re,end='=================\\n')\n",
    "    for i,it in enumerate(retval):\n",
    "        print(txt_list[i],end=':  ')\n",
    "        if it==None: print('None')\n",
    "        else:  print(it.groups())"
   ]
  }
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