using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"@([a-z]|-|[0-9])+\/([a-z]|-|[0-9])+";
string input = @"Lorem Ipsum i-s simply @dummy/text of the printing and typesetting industry. Lorem Ipsum has been the industry's @nAme/iNValid text ever since @the/1500s, when an @unknown//printer took a @galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also/the leap @into/electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets/containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx