using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace 字符串分割测试
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
//此方法产生空的,不推荐
//string[] a = textBox1.Text.Split(Environment.NewLine.ToCharArray());
//此方法推荐,有空行也会进去
//string[] a = textBox1.Text.Split('\n');
//此方法极力推荐,空行被干掉了,空格不行
//string[] a = textBox1.Text.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
//此方法推荐
//string[] a = textBox1.Text.Split(new string[] { "\r\n" }, StringSplitOptions.None);
//此方法推荐
string[] a = Regex.Split(textBox1.Text,"\r\n", RegexOptions.IgnoreCase);
if (a.Length > 0)
{
for (int i = 0; i < a.Length; i++)
{
textBox2.AppendText(i+"."+a[i]+"\n");
}
}
else
{
textBox2.Text = "没有东西,空的";
}
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace 字符串分割测试
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
//此方法产生空的,不推荐
//string[] a = textBox1.Text.Split(Environment.NewLine.ToCharArray());
//此方法推荐,有空行也会进去
//string[] a = textBox1.Text.Split('\n');
//此方法极力推荐,空行被干掉了,空格不行
//string[] a = textBox1.Text.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
//此方法推荐
//string[] a = textBox1.Text.Split(new string[] { "\r\n" }, StringSplitOptions.None);
//此方法推荐
string[] a = Regex.Split(textBox1.Text,"\r\n", RegexOptions.IgnoreCase);
if (a.Length > 0)
{
for (int i = 0; i < a.Length; i++)
{
textBox2.AppendText(i+"."+a[i]+"\n");
}
}
else
{
textBox2.Text = "没有东西,空的";
}
}
}
}