using System;
using System.Collections;
using System.Text.RegularExpressions;
public class MyClass
{
public static void Main()
{
string str_1="sHjhgsdKkjhLjk";
Console.WriteLine(str_1+"\n");
Console.WriteLine(Regex.Replace(str_1,"[A-Z]",new MatchEvaluator(Replace)));
//new MatchEvaluator(Replace)用委托，对匹配的字符处理
RL();
}
public static string Replace(Match m)//
{
return " "+m.Value;
}
#region Helper methods
private static void WL(object text, params object[] args)
{
Console.WriteLine(text.ToString(), args);
}
private static void RL()
{
Console.ReadLine();
}
private static void Break()
{
System.Diagnostics.Debugger.Break();
}
#endregion
}