cut specific part of a string

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If i have the iframe of a video like this:

HTML

<iframe width="395" height="295" src="//www.youtube.com/embed/fdbazqdXBeE" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>

and I want to get the source "src" only, how can I do this using C#.

Thanks in advance.

Posted 29-Sep-13 2:08am

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Sampath Lokuge 29-Sep-13 8:38am

Can you explain the whole scenario here ? Which way you're going to send src value to the server and etc. ?

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Wendelius · Accepted Answer · 2013-09-29T02:35:00

One way is to use regular expressions. Consider the following:

C#

string testString = "<iframe width=\"395\" height=\"295\" src=\"//www.youtube.com/embed/fdbazqdXBeE\" frameborder=\"0\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>";

System.Text.RegularExpressions.Regex re = new System.Text.RegularExpressions.Regex("src=\"(.*?)\"");

if (re.IsMatch(testString)) {
   System.Console.WriteLine(re.Match(testString).Value);
   System.Console.WriteLine(re.Match(testString).Value.Substring(5).TrimEnd('"'));
}

The output is:

src="//www.youtube.com/embed/fdbazqdXBeE"
//www.youtube.com/embed/fdbazqdXBeE