fiddler 正则替换
var pattern = "</noscript><script type=\"text/javascript\"\\s+src=\"(.*?)\"";
// 定义要替换成的目标字符串
var replacement = "</noscript><script type=\"text/javascript\" src=\"/B1ica2/tGWhaw/xP-E4q/VioF/Q7/z37atcpkfpVbfDiO/MigqcywGTg/eW/VgFzhiX1EB\"";
responseBody = System.Text.RegularExpressions.Regex.Replace(responseBody, pattern, replacement);