fork download 
  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. namespace RegExApplication
  5. {
  6.    public class Program
  7.    {
  8.       public static void Main(string[] args)
  9.       {
  10.          string myVar = "00000";
  11. 			string myPtrn = "(.).(...)";
  12. 			string mySub = "${1}" + "1" + "$2";
  13. 			string myResult = Regex.Replace(myVar, myPtrn, mySub);
  14.             Console.WriteLine("Before :\t" + myVar + "\nAfter :\t" + myResult);
  15.       }
  16.    }
  17. }
Success #stdin #stdout 0.13s 24552KB
comments (?)
stdin 
Standard input is empty
stdout 
Before :	00000
After :	01000
https://ideone.com/lZfQr9
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!