using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(https?:\/\/)?(localhost|lvh\.me|::1?|fe80::1|((::f{4}:)?(1(0|27)\.\d{1,3}|172\.(1[6-9]|2\d|3[01])|192\.168)\.\d{1,3}\.\d{1,3}))(:\d{1,5})?";
string input = @"";
foreach (Match m in Regex.Matches(input, pattern))
{
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