using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(http://|https://|http://www\.|https://www\.|www\.)?(www\.(twanda))?(([\w\-]+)?\.?(twanda|))(\.ch|\.com)(:\d+)?/.+$";
string substitution = @"";
string input = @"www.twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
www.twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
http://twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
https://twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
http://www.twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
http://www.twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
https://www.twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
https://www.twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
http://flohmarkt-zug.twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
http://flohmarkt-zug.twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
https://flohmarkt-zug.twanda.ch/store/apps/details?id=com.skgames.trafficracer%22
https://flohmarkt-zug.twanda.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
www.flohmarkt-zug.ch/store/apps/details?id=com.skgames.trafficracer%22
www.flohmarkt-zug.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.ch/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
http://www.flohmarkt-zug.ch/store/apps/details?id=com.skgames.trafficracer%22
http://www.flohmarkt-zug.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
https://www.flohmarkt-zug.ch/store/apps/details?id=com.skgames.trafficracer%22
https://www.flohmarkt-zug.ch:8069/store/apps/details?id=com.skgames.trafficracer%22
www.twanda.com/store/apps/details?id=com.skgames.trafficracer%22
www.twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
twanda.com/store/apps/details?id=com.skgames.trafficracer%22
twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
http://www.twanda.com/store/apps/details?id=com.skgames.trafficracer%22
http://www.twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
https://www.twanda.com/store/apps/details?id=com.skgames.trafficracer%22
https://www.twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.twanda.com/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
http://flohmarkt-zug.twanda.com/store/apps/details?id=com.skgames.trafficracer%22
http://flohmarkt-zug.twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
https://flohmarkt-zug.twanda.com/store/apps/details?id=com.skgames.trafficracer%22
https://flohmarkt-zug.twanda.com:8069/store/apps/details?id=com.skgames.trafficracer%22
www.flohmarkt-zug.com/store/apps/details?id=com.skgames.trafficracer%22
www.flohmarkt-zug.com:8069/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.com/store/apps/details?id=com.skgames.trafficracer%22
flohmarkt-zug.com:8069/store/apps/details?id=com.skgames.trafficracer%22
http://www.flohmarkt-zug.com/store/apps/details?id=com.skgames.trafficracer%22
http://www.flohmarkt-zug.com:8069/store/apps/details?id=com.skgames.trafficracer%22
https://www.flohmarkt-zug.com/store/apps/details?id=com.skgames.trafficracer%22
https://www.flohmarkt-zug.com:8069/store/apps/details?id=com.skgames.trafficracer%22
";
RegexOptions options = RegexOptions.IgnoreCase | 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