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2026-03-19 19:39:01 +08:00

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C#

using System.Text.RegularExpressions;
namespace _10_6
{
internal class Program
{
static void Main(string[] args)
{
// 验证中国电话号码
string pattern = @"(\^(\d{3}\ )|\d{3}-)?\d{8}$";
Console.WriteLine("请输入字符串(中国电话号码)");
string s = Console.ReadLine();
bool b1 = Regex.IsMatch(s, pattern);
Console.WriteLine("{0}是有效的中国电话号码吗? {1}", s, b1);
// 验证邮政编码
pattern = @"^\d{6}$";
Console.WriteLine("请输入字符串(邮政编码)");
s = Console.ReadLine();
bool b2 = Regex.IsMatch(s, pattern);
Console.WriteLine("{0}是有效的邮政编码吗? {1}", s, b2);
// 有效URL地址
pattern = @"^http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?$";
Console.WriteLine("请输入字符串(URL地址)");
s = Console.ReadLine();
bool b3 = Regex.IsMatch(s, pattern);
Console.WriteLine("{0}是有效的URL地址吗? {1}", s, b3);
Console.ReadLine();
}
}
}