using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(https?:\/\/)?(www.)?([\da-zA-z\_\-]+)\.(com|(|[\da-zA-Z]{2,6}))([\/\w \.\-\#\&\?\%\_]*)?([^\/| |\s])$";
string input = @"http://regex101.com/
http://regex101.com
http://www.regex101.com/
http://www.regex101.com
https://regex101.com/
https://regex101.com
https://www.regex101.com/
https://www.regex101.com
http://regex101.com/blahblahblahblahblah/
http://regex101.com/blahblahblahblahblah
http://www.regex101.com/blahblahblahblahblah/
http://www.regex101.com/blahblahblahblahblah
https://regex101.com/blahblahblahblahblah/
https://regex101.com/blahblahblahblahblah
https://www.regex101.com/blahblahblahblahblah/
https://www.regex101.com/blahblahblahblahblah
http://regex101.com/blahblahblahblahblah/blahblahblahblahblah/
http://regex101.com/blahblahblahblahblah/blahblahblahblahblah
http://www.regex101.com/blahblahblahblahblah/blahblahblahblahblah/
http://www.regex101.com/blahblahblahblahblah/blahblahblahblahblah
https://regex101.com/blahblahblahblahblah/blahblahblahblahblah/
https://regex101.com/blahblahblahblahblah/blahblahblahblahblah
https://www.regex101.com/blahblahblahblahblah/blahblahblahblahblah/
https://www.regex101.com/blahblahblahblahblah/blahblahblahblahblah
http://regex101.co.uk/
http://regex101.co.uk
http://www.regex101.co.uk/
http://www.regex101.co.uk
https://regex101.co.uk/
https://regex101.co.uk
https://www.regex101.co.uk/
https://www.regex101.co.uk
http://regex101.co.uk/blahblahblahblahblah/
http://regex101.co.uk/blahblahblahblahblah
http://www.regex101.co.uk/blahblahblahblahblah/
http://www.regex101.co.uk/blahblahblahblahblah
https://regex101.co.uk/blahblahblahblahblah/
https://regex101.co.uk/blahblahblahblahblah
http://www.regex101.co.uk/blahblahblahblahblah/
http://www.regex101.co.uk/blahblahblahblahblah
http://regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah/
http://regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah
http://www.regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah/
http://www.regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah
https://regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah/
https://regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah
https://www.regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah/
https://www.regex101.co.uk/blahblahblahblahblah/blahblahblahblahblah
http://regex101.de/
http://regex101.de
http://www.regex101.de/
http://www.regex101.de
https://regex101.de/
https://regex101.de
https://www.regex101.de/
https://www.regex101.de
http://regex101.de/blahblahblahblahblah/
http://regex101.de/blahblahblahblahblah
http://www.regex101.de/blahblahblahblahblah/
http://www.regex101.de/blahblahblahblahblah
https://regex101.de/blahblahblahblahblah/
https://regex101.de/blahblahblahblahblah
http://www.regex101.de/blahblahblahblahblah/
http://www.regex101.de/blahblahblahblahblah
http://regex101.de/blahblahblahblahblah/blahblahblahblahblah/
http://regex101.de/blahblahblahblahblah/blahblahblahblahblah
http://www.regex101.de/blahblahblahblahblah/blahblahblahblahblah/
http://www.regex101.de/blahblahblahblahblah/blahblahblahblahblah
https://regex101.de/blahblahblahblahblah/blahblahblahblahblah/
https://regex101.de/blahblahblahblahblah/blahblahblahblahblah
https://www.regex101.de/blahblahblahblahblah/blahblahblahblahblah/
https://www.regex101.de/blahblahblahblahblah/blahblahblahblahblah
";
RegexOptions options = RegexOptions.Multiline | RegexOptions.IgnoreCase;
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