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  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. using System.Linq;
  5. using System.Text.RegularExpressions;
  6.  
  7. public class Test
  8. {
  9. public static void Main()
  10. {
  11. var content = "test1\n\nabcdocean123 \n\n\ntest2\ntest3";
  12. content = Regex.Replace(content, @"ocean.*", "$&water");
  13. Console.WriteLine(content);
  14. }
  15. }
Success #stdin #stdout 0.05s 134592KB
stdin
Standard input is empty
stdout
test1

abcdocean123 water


test2
test3