使用Regex正则表达式替换.txt文本文件中指定的词

 

        /// <summary>
        /// 替换文本文件中的词
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="oldWord"></param>
        /// <param name="newWord"></param>
        public static void ReplaceWordInTxt(string fliePath, string oldWord, string newWord)
        {
            string target = File.ReadAllText(fliePath);
            var strFile = Regex.Replace(target, @"\b" + oldWord + @"\b", newWord);
            File.WriteAllText(fliePath, strFile);
        }

参考:https://stackoverflow.com/questions/13544425/how-can-i-replace-a-word-in-a-txt-file-in-c-sharp