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问题描述

大家好。

我想将代码从textBox2 - multiline 添加到listbox1,其中的项目以textBox1内容开头? C#



下面这段代码我用来将多行 textBox2中的项目添加到listBox1,它可以工作。

但是我想要listBox1中的项目,我从textBox2添加了textBox2中的内容。谢谢。



 私人  void  button1_Click( object  sender,EventArgs e)
{
string [] s = Regex.Split(textBox2.Text, \\\\ n );
listBox1.Items.AddRange(s);
}





示例:

  if 内容textBox1 = A 
内容TextBox2 - multiline = something
something 1
2
3

结果 listBox1 = A
东西 1
某事 2
东西 3





我尝试了什么:



  private   void  button1_Click( object  sender,EventArgs e)
{
string [] s = Regex.Split(textBox2.Text, \r\\\
);
listBox1.Items.AddRange(s..StartsWith(textBox1.Text));
}
解决方案




Hello everyone.
I would like code for adding Items from textBox2 - multiline to listbox1 , where items starts with textBox1 content? C#

This code below I use to add items from the multiline textBox2 to listBox1, and it works.
But I want to items in listBox1 whose I added from textBox2 starting with content in textBox1. Thanks.

private void button1_Click(object sender, EventArgs e)
{
    string[] s =  Regex.Split(textBox2.Text, "\r\n");
    listBox1.Items.AddRange(s);
}



Example:

if the content textBox1 = A
    content TextBox2 - multiline = something
                                   something 1
                                   something 2
                                   something 3

The result in listBox1 = A something
                         A something 1
                         A something 2
                         A something 3



What I have tried:

private void button1_Click(object sender, EventArgs e)
{
    string[] s =  Regex.Split(textBox2.Text, "\r\n");
    listBox1.Items.AddRange(s..StartsWith(textBox1.Text));
}
解决方案




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09-15 14:33