fork(11) download
copy 
  1. using System;
  2. using System.Text.RegularExpressions;
  3. using System.IO;
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		var data = "I have this (123) 556-7890 phone number, followed with 123 556 7890, and (123) 556- 7890.";
  9. 		var res = Regex.Replace(data, @"\(?\d{3}\)?-? *\d{3}-? *-?\d{4}", 
  10. 					x => Regex.Replace(x.Value, @"\d(?!\d{0,3}$)", "X"));
  11. 		Console.WriteLine(res);
  12. 	}
  13. }
Success #stdin #stdout 0.12s 24672KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
I have this (XXX) XXX-7890 phone number, followed with XXX XXX 7890, and (XXX) XXX- 7890.
https://ideone.com/1hiJ4a
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
secret

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!