在富文本框中查找没有匹配大小写的文本
本文关键字：文本 大小写 查找 | 更新日期: 2023-09-27 18:14:52
这段代码可以工作，但它只查找匹配情况。但我需要一个none匹配大小写文本来查找。我很习惯"富文本框查找"。没有"但是我的代码只找到一个匹配的情况。我有一个none匹配情况的代码。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Notepad
{
public partial class Find : Form
{
int k = 0;
string text;
static int curr = 0;
public Find()
{
InitializeComponent();
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
// string[] k;
// k[0] = Form1.textBox1.Lines.GetValue(0);
if (Form1.textBox1.Text == "")
{
MessageBox.Show("Can not find " + textBox1.Text, "Notepad");
}
else
{
text = StoreData.getAllText();
if (radioButton2.Checked == true)
{
for (int i = curr; i <= text.Length; i++)
{
if (curr + textBox1.Text.Length <= text.Length)
{
if (text.Substring(curr, textBox1.Text.Length) == textBox1.Text)
{
Form1.textBox1.Select(curr, textBox1.Text.Length);
curr++;
break;
}
else
{
curr++;
if (curr == text.Length)
{
MessageBox.Show("Can not find " + textBox1.Text, "Notepad");
}
}
}
}
}
else
{
// k to able the current continuted not in the start
if (k == 0)
{
k = 1;
curr = text.Length - textBox1.Text.Length;
StoreData.setCurrent(curr);
}
for (int i = StoreData.getCurrent(); i >= 0; i--)
{
// if (curr <= 0)
//{
if (text.Substring(curr, textBox1.Text.Length) == textBox1.Text)
{
Form1.textBox1.Select(curr, 1);
// Form1.textBox1.Find(textBox1.Text, curr, Form1.textBox1.TextLength, RichTextBoxFinds.None);
curr--;
StoreData.setCurrent(curr);
break;
}
else
{
curr--;
if (curr == 0)
{
MessageBox.Show("Can not find " + textBox1.Text, "Notepad");
}
}
// }
StoreData.setCurrent(curr);
}
}
text = Form1.textBox1.Text;
StoreData.setAllText(Form1.textBox1.Text);
Form1.textBox1.Focus();
}
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
if (textBox1.Text != "")
{
curr = 0;
k = 0;
button1.Enabled = true;
}
}
private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
}
}
}
您将需要使用字符串。比较一下，IgnoreCase标志设置为true。这应该会给你比较NoCase的结果，我相信你正在寻找。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Notepad
{
public partial class Find : Form
{
int k = 0;
string text;
static int curr = 0;
public Find()
{
InitializeComponent();
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
// string[] k;
// k[0] = Form1.textBox1.Lines.GetValue(0);
if (Form1.textBox1.Text == "")
{
MessageBox.Show("Can not find " + textBox1.Text, "Notepad");
}
else
{
text = StoreData.getAllText();
if (radioButton2.Checked == true)
{
for (int i = curr; i <= text.Length; i++)
{
if (curr + textBox1.Text.Length <= text.Length)
{
if (string.Compare(text.Substring(curr, textBox1.Text.Length), textBox1.Text, true)==0)
{
Form1.textBox1.Select(curr, textBox1.Text.Length);
curr++;
break;
}
else
{
curr++;
if (curr == text.Length)
{
MessageBox.Show("Can not find " + textBox1.Text, "Notepad");
}
}
}
}
}
else
{
// k to able the current continuted not in the start
if (k == 0)
{
k = 1;
curr = text.Length - textBox1.Text.Length;
StoreData.setCurrent(curr);
}
for (int i = StoreData.getCurrent(); i >= 0; i--)
{
// if (curr <= 0)
//{
if (string.Compare(text.Substring(curr, textBox1.Text.Length), textBox1.Text,true)==0)
{
Form1.textBox1.Select(curr, 1);
// Form1.textBox1.Find(textBox1.Text, curr, Form1.textBox1.TextLength, RichTextBoxFinds.None);
curr--;
StoreData.setCurrent(curr);
break;
}
else
{
curr--;
if (curr == 0)
{
MessageBox.Show("Can not find " + textBox1.Text, "Notepad");
}
}
// }
StoreData.setCurrent(curr);
}
}
text = Form1.textBox1.Text;
StoreData.setAllText(Form1.textBox1.Text);
Form1.textBox1.Focus();
}
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
if (textBox1.Text != "")
{
curr = 0;
k = 0;
button1.Enabled = true;
}
}
private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
}
}
}