string url = null;
string Html = "劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳<a class=\"ff\" id=\"dd0\"href=\"http://www.baidu.com/\" target=\"_blank\" name=\"dttl\"> 百度 </a>劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳<a class=\"ff\" id=\"dd1\" href=\"http://www.google.com/\" target=\"_blank\" name=\"dttl\">google </a>劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳";
Regex r = new Regex(@"([http|https]://)?([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?", RegexOptions.Compiled | RegexOptions.IgnoreCase);
foreach (Match m in r.Matches(Html))
{
foreach (Capture c in m.Captures)
{
url += c.Value;
}
}
string Html = "劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳<a class=\"ff\" id=\"dd0\"href=\"http://www.baidu.com/\" target=\"_blank\" name=\"dttl\"> 百度 </a>劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳<a class=\"ff\" id=\"dd1\" href=\"http://www.google.com/\" target=\"_blank\" name=\"dttl\">google </a>劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳劲执行力保证业务稳";
Regex r = new Regex(@"([http|https]://)?([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?", RegexOptions.Compiled | RegexOptions.IgnoreCase);
foreach (Match m in r.Matches(Html))
{
foreach (Capture c in m.Captures)
{
url += c.Value;
}
}
@"(?<=<a((?!href)[^<>])*href="")[^""]+"