Conversion regular links

Original link: http://www.cnblogs.com/wysky/archive/2007/12/21/1008973.html

Transfer from http://www.cnblogs.com/dudu/archive/2007/12/19/1006119.html, look at the collection.

     public static String  ShowUrls ( String  text) { // code from a blog Park  http://www.cnblogs.com         the Regex linkRegex  = new new  the Regex ( "  href = \\ \\ S * S * (:? (:? \\\ " ( ? < url > [ ^ \\\ " ] *) \\\ " ) | ( ? < url > [ ^ \\ S] *  )) " ,             RegexOptions.IgnoreCase  |  RegexOptions.Compiled);         MatchCollection linkMatchs  =    
    
        
 

        
 linkRegex.Matches(text);
        
        string pattern = @"(http|ftp|https):\/\/[\w]+(.[\w]+)([\w\-\.,@?^=%&amp;:/~\+#]*[\w\-\@?^=%&amp;/~\+#])";
        MatchCollection matchs;
        string clearText = Regex.Replace(text, "<[^>]*>",string.Empty, RegexOptions.Compiled);//清除html标记
        matchs = Regex.Matches(clearText, pattern, RegexOptions.IgnoreCase | RegexOptions.Compiled);
        bool flag = true;
        foreach (Match m in matchs)
        {
            string link = "<a href=\"" + m.ToString() + "\" target=\"_new\">" + m.ToString() + "</a>";
            if (linkMatchs.Count > 0)
            {
                foreach (Match linkMatch in linkMatchs)
                {
                    if (linkMatch.Value.IndexOf(m.Value) > -1)
                    {
                        flag = false;
                        break;
                    }
                }
            }            
            if(flag)
            {
                text = text.Replace(m.ToString(), link);
            }
            
        }
        return text;

    }

Reproduced in: https: //www.cnblogs.com/wysky/archive/2007/12/21/1008973.html