c#转义字符串中的所有正则特殊字符方法示例

复制代码 代码如下:
///

            Regex r = new Regex("[\*\.\?\+\$\^\[\]\(\)\{\}\|\/]");
            MatchCollection ms = r.Matches(input);
            List list = new List();
            foreach (Match item in ms)
            {
                if (list.Contains(item.Value))
                    continue;
                input = input.Replace(item.Value, "\" + item.Value);
                list.Add(item.Value);
            }
            return input;
        }