using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\[([^\]]+)\]\(([^""“”]+)(?: [\""|\“]([^\""“”]+)[\""|\”])?\)|(\b(?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/?)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\)){0,}(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s\!()\[\]{};:\'\""\.\,<>?«»“”‘’]){0,})";
string input = @"[some text](http://google.com ""title"")
[some text](http://google.com)
http://google.com";
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