class1.cs

C#开发教程 由浅入深 配有实例 是初学者的好帮手

using System;
using System.Text.RegularExpressions;

namespace Grouping
{
	class GroupingApp
	{
		[STAThread]
		static void Main(string[] args)
		{
			// define groups 'ing', 'in', 'n'
			Regex r = new Regex("(i(n))g");
			Match m = r.Match("Matching");
			GroupCollection gc = m.Groups;

			Console.WriteLine(
				"Found {0} Groups", gc.Count);
			for (int i = 0; i < gc.Count; i++)
			{
				Group g = gc[i];
				Console.WriteLine(
					"Found '{0}' at position {1}",
					g.Value, g.Index);
			}

			Console.WriteLine();
			Regex q = new Regex(
//				"(?<something>[a-zA-Z_0-9]+):(?<another>\\w+)");
				"(?<something>\\w+):(?<another>\\w+)");
			Match n = q.Match("Salary:123456");
			Console.WriteLine(
				"{0} = {1}", 
				n.Groups["something"].Value,
				n.Groups["another"].Value);
		}
	}
}