Get url from a text [duplicate]

Answer 1

public List GetLinks(string message)
{
    List list = new List();
    Regex urlRx = new Regex(@"((https?|ftp|file)\://|www.)[A-Za-z0-9\.\-]+(/[A-Za-z0-9\?\&\=;\+!'\(\)\*\-\._~%]*)*", RegexOptions.IgnoreCase);

    MatchCollection matches = urlRx.Matches(message);
    foreach (Match match in matches)
    {
        list.Add(match.Value);
    }
    return list;
}

var list = GetLinks("Hey yo check this: http://www.google.com/?q=stackoverflow and this: http://www.mysite.com/?id=10&author=me");

It will find the following type of links:

http:// ...
https:// ...
file:// ...
www. ...