正则表达式

Question

<div id="title" style=" background-image:url(http://www.baidu.com/logo.jpg); "></div>
正则表达式怎么提取http://www.baidu.com/logo.jpg 这个呢？
求解，谢谢！！

Answer 1

Regex rgx=new Regex(@"(?is)<div[^>]*style=""[^""]*background-image:url\(([^)]*)\)[^""]*"">")
rgx.Match(str).Groups[1].Value

Answer 2

            string str = "<div id=\"title\" style=\" background-image:url(http://www.baidu.com/logo.jpg); \"></div>";
            Regex rgx = new Regex(@"(?is)<div[^>]*style=""[^""]*background-image:url\(([^)]*)\)[^""]*"">");
            Console.WriteLine(rgx.Match(str).Groups[1].Value);
            Console.ReadLine();