using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?<fulldomain>(?<protocol>[a-z]{2,6}):\/\/(?:((?<subdomain>[a-z0-9\-\.]*\.){0,99})(?<domain>[a-z\-0-9]{1,100})\.(?<extension>[a-z]{1,10})|(?<ipaddress>(?:25[0-5]|2[0-4]\d|[0-1]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d{1,2})){3})|(?<localhost>localhost))(?<port>\:[0-9]{1,6}){0,1})\/?(?<filepath>(?<path>[a-z0-9\-_%]{1,20}\/{1}){0,}(?<filename>[a-z0-9\-_]{1,20}\.[a-z0-9]{2,6}){0,1}){0,1}(?<route>(\/[a-z_0-9\-_]{1,20}){1,}){0,10}(?<query>\?[a-z0-9%\+_\-&=\.@\!,\:]{0,200}){0,1}$";
string input = @"https://test.example.com:3000/path/to/page?q=1234&a=b&d=e
https://lots.of.subs.test.example.com:3000/path/to/page?q=1234&a=b&d=e
http://192.168.100.0:8080/path/to/page?q=123
http://localhost:3000/path/to/page?q=123
";
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