正則表達式只能得到雙引號和單引號內的文本以及行號

Question

正則表達式可以用行號獲取雙引號和單引號內的文本。

例如：

line 123 Processing File "This is what i am looking for"<'this is also what i need'> 

輸出應該是：

line 123 This is what i am looking for this is also what i need 

我的正則表達式是：

MatchCollection matches2 = Regex.Matches(l, "\"([^\"]*)\""); 

    foreach (Match match2 in matches2) 
      { 
       foreach (Capture capture2 in match2.Captures) 
        { 
         textBox4.Text = textBox4.Text + capture2.Value + Environment.NewLine; 

        } 
      } 

我得到（我的輸出）：

"This is what i am looking for" 

我不需要雙引號，我只需要引號內的文本。

Answer 1

string input = 
    "line 123 Processing File \"This is what i am looking for\"<'this is also what i need'>"; 
string output = 
    string.Join(" ", Regex.Matches(input, @"(line\s+(\d+)|(""|').*?\3)") 
          .Cast<Match>() 
          .Select(m => Regex.Replace(m.Value, 
                @"^[""']|[""']$", ""))); 

輸出：

line 123 This is what i am looking for this is also what i need 

Answer 2

試試這個：

Regex.Replace(inputtext, @"line (\d+).*?\""(.*?)""\W+(.*?)'", "line $1 $2 $3") 

Answer 3

這裏的第一個問題是，你正在看比賽，而不是捕捉。捕獲將顯示（）運算符收集的東西。

matches2.OfType<Match>().Select(x => x.Captures[0].Value)