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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. public class Test
  5. {
  6.     public static void Main()
  7.     {
  8.         string pattern = @"(?is)\bEmail:\s*([^@]+@[^.]+\.[a-z0-9]{2,6}(?:\.[a-z0-9]{2,6})?)$";
  9.         string input = @"OrderId:009
  10.             Email:Ardi1234@yahoo.com
  11.             ProductId:X206
  12.  
  13.             OrderId:009
  14.                 Email: Ardi1234@yahoo.co.uk
  15.                 ProductId:X206
  16.  
  17.             OrderId:009
  18.                 EMAIL: Ardi1234@yahoo.co.uk
  19.                 ProductId:X206";
  20.         RegexOptions options = RegexOptions.Multiline;
  21.  
  22.         foreach (Match m in Regex.Matches(input, pattern, options))
  23.         {
  24.             Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
  25.         }
  26.     }
  27. }
Success #stdin #stdout 0.06s 21236KB
comments (?)
stdin 
Standard input is empty
stdout 
'Email:Ardi1234@yahoo.com' found at index 24.
'Email: Ardi1234@yahoo.co.uk' found at index 117.
'EMAIL: Ardi1234@yahoo.co.uk' found at index 217.
https://ideone.com/VUHG8a
language:
C# (gmcs 5.20.1)
created:
4 years ago
visibility:
public

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