Email masking | C# Online Compiler

Email masking by Cameron Gough Cefas

using System;
using System.Text.RegularExpressions;
					
public class Program
{
	public static void Main()
	{
		string input = "jhon@abc.com";
		string pattern = @"(?<=[\w]{1})[\w-\._\+%]*(?=[\w]{1}@)";
		string result = Regex.Replace(input, pattern, m => new string('*', m.Length));
		
		Console.WriteLine(result);
	}
}

 
using System;
using System.Text.RegularExpressions;
                    
public class Program
{
    public static void Main()
    {
        string input = "jhon@abc.com";
        string pattern = @"(?<=[\w]{1})[\w-\._\+%]*(?=[\w]{1}@)";
        string result = Regex.Replace(input, pattern, m => new string('*', m.Length));
        
        Console.WriteLine(result);
    }
}

Enter an integer: Process terminated. whats up
   at System.Environment.FailFast(System.Runtime.CompilerServices.StackCrawlMarkHandle, System.String, System.Runtime.CompilerServices.ObjectHandleOnStack, System.String)
   at System.Environment.FailFast(System.Threading.StackCrawlMark ByRef, System.String, System.Exception, System.String)
   at System.Environment.FailFast(System.String)
   at LISTING_1_79_The_finally_block.Program.Main(System.String[])
Command terminated by signal 6

Last Run:	1:49:39 pm
Compile:	0.006s
Execute:	0.16s
Memory:	2.97Mb
CPU:	0.166s

View IL Code