RegexOptions.IgnoreCase正则表达式替换,忽略大小写

////////////////////////////           string inputstr = “@{AbcD},@{bbbb},@{ABcd}”;            string pmType = “@”;            string regTxt = (pmType + “\\s*\\{\\s*” + “abcd” + “\\s*\\}”).Replace(“(“, “\\(“).Replace(“)”, “\\)”);            //string regTxt = (pmType + “\\s*\\{\\s*” + “aaaa” + “\\s*\