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public void replace()
{
Regex regex = new Regex(@"my number is ([0-9\.]{3,9})");
string result = regex.Replace(@"my number is 999.99", "我的数字是$1");
textBox1.Text = result;
}
using System;
using System.Text.RegularExpressions;
class Program
{
static void Main()
{
Regex regex = new Regex(@"my number is ([0-9\.]{3,9})");
string result = regex.Replace(@"my number is 999.99", "我的数字是$1");
Console.WriteLine(result); // 輸出:我的数字是999.99
}
}public void replace()
{
string source = "this is 123, that is 456.";
string result = source.Replace("this ", "这").Replace("that ", "那").Replace("is ", "是");
textBox1.Text = result;
} public void replace()
{
string result = "my number is 999.99".Replace("my number is ", "我的数字是");
textBox1.Text = result;
}string result = Regex.Replace(@"my number is 999.99", @"(?i)my\s+number\s+is\s+([0-9.]{3,9})", "我的数字是$1");