如何根据一个特定的词从大量文本中提取句子？ [英] How Can I Extract Sentences From Large Amount Of Text On Basis Of One Specific Word?

问题描述

我正在使用此代码来提取句子，我在TextBox1中输入单词，如果包含带有该单词的句子的tagetlistBox中的大量文本出现在targetTextBox2中。但到目前为止，我只生成包含特定单词的第一句话。我怎么能为所有文本做到这一点。并提取所有具有该特定单词的句子

I am using this code in order to extract sentences, I input word in TextBox1 and if large amount of text in tagetlistBox containing sentences with that word it appears in targetTextBox2. but so far i am generating only first sentence containing specific word. how can i do it for all the text. and extract all the sentences that have that specific word

var regex = new Regex(textBox1.Text);
var text = targetListBox.Text;

var texts = text.Split('.');
foreach (var t in texts)
{
   if (regex.IsMatch(t))
   {
      targetTextBox2.Text = t.Trim();
   }
}

推荐答案

var regex = new Regex(textBox1.Text);
List<string> matchingLines = new List<string>();
foreach (var listBoxItem in targetListBox.Items)// loop every item in your targetListBox
{
    var texts = listBoxItem.Text.Split('.');
    foreach (var t in texts)
    {
     if (regex.IsMatch(t))
     {
         matchingLines.Add(listBoxItem.Text);
         break;
     }
    }
}
targetTextBox2.Lines =matchingLines.ToArray();

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