public string getCookie(string cookiesString, string cookieName)
{
return Regex.Match(cookiesString, "(^| )" + cookieName + "=([^;]*)(;|$)").Value;
}使用方式string cookiesStr = "__guid=3537848.361868936745370700.1378194726646.6936; __utma=148900148.1597445961.1378194727.1378194727.1378194727.1; __utmb=148900148.1.10.1378194727; __utmc=148900148; __utmz=148900148.1378194727.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)";
Console.WriteLine(getCookie(cookiesStr, "__utmz"));输出
__utmz=148900148.1378194727.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)

本文介绍了一种利用正则表达式从字符串中提取特定Cookie值的方法,并通过一个示例展示了如何实现这一功能。
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