创建提取特定单词的列

 # 创建一个包含文本的DataFrame

 df = pd.DataFrame({'content': ['This is a cloud computing platform', 'Cloud services are in high demand']})

 # 提取特定单词的列

 df['extracted_word'] = df['content'].str.extract(r'\bcloud\b', flags=re.IGNORECASE)

 # 打印结果

 print(df)

 ```

 // 创建一个包含文本的数组

 String[] content = {"This is a cloud computing platform", "Cloud services are in high demand"};

 // 提取特定单词的列

 for (String sentence : content) {

     Pattern pattern = Pattern.compile("\\bcloud\\b", Pattern.CASE_INSENSITIVE);

     Matcher matcher = pattern.matcher(sentence);

     if (matcher.find()) {

         System.out.println(matcher.group());

     }

 }

 ```

 // 提取特定单词的列

 content.forEach(function(sentence) {

     var extractedWord = sentence.match(/\bcloud\b/i);

     if (extractedWord) {

         console.log(extractedWord[0]);

     }

 });

 ```