using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\[(?:https?|ftp):\/\/[^\]\[]+\]\([^()]*\)|((?:https?|ftp):\/\/\S+)";
string input = @"Login in to My site [https://example.com/](https://example.com/) and select Something > Select below details further.
Also have a look at https://example.com/abc/1.html";
RegexOptions options = 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