using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(.*?)\.(?=(?:[0-9]+\.){2,}[0-9]+(?:-[a-z]+)?\.nupkg)(.*?)\.nupkg$";
string substitution = @"Package: $1 Version: $2";
string input = @"knockoutjs.3.4.2.nupkg
log4net.2.0.8.nupkg
runtime.tizen.4.0.0-armel.microsoft.netcore.jit.2.0.0.nupkg
nuget.core.2.7.0-alpha.nupkg
microsoft.identitymodel.6.1.7600.16394.nupkg";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
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