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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# 12. Übungsblatt\n",
"\n",
"Mit diesem Python-Code können Sie Ihren regulären Ausdruck testen:"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"import re\n",
"\n",
"\"\"\"\n",
"Ändern Sie den folgenden regulären Ausdruck, so dass alle \n",
"positiven Muster erkannt werden, aber kein negatives Muster.\n",
"\"\"\"\n",
"muster = re.compile(\"ap.*t\") \n",
"positive = [\n",
" \"rap them\",\n",
" \"tapeth\",\n",
" \"apth\",\n",
" \"wrap/try\",\n",
" \"sap tray\",\n",
" \"87ap9th\",\n",
" \"apothecary\"\n",
"]\n",
"\n",
"negative = [\n",
" \"aleht\",\n",
" \"happy them\",\n",
" \"tarpth\",\n",
" \"Apt\",\n",
" \"peth\",\n",
" \"tarreth\",\n",
" \"ddapdg\",\n",
" \"apples\",\n",
" \"shape the\"\n",
"]\n",
"\n",
"# testen, ob alle positiven Muster richtig erkannt werden\n",
"positive_not_matched = [s for s in positive if not muster.findall(s)]\n",
"if positive_not_matched:\n",
" print(\"Folgende positive Muster wurden nicht erkannt:\", \", \".join(positive_not_matched))\n",
"\n",
"# testen, ob keine negativen Muster erkannt werden\n",
"negative_matched = [s for s in negative if muster.findall(s)]\n",
"if negative_matched:\n",
" print(\"Folgende negativen Muster wurden erkannt:\", \", \".join(negative_matched))\n"
]
}
],
"metadata": {
"language_info": {
"name": "python",
"pygments_lexer": "ipython3"
}
},
"nbformat": 4,
"nbformat_minor": 2
}