正则表达式 - 文本规则替换器

源自一篇帖子：

http://topic.csdn.net/u/20100719/21/25879eed-7555-4ce6-b6ec-e00271838b5a.html?seed=505778035&r=67090922#r_67090922

 

其实类似的东西以前写过，再次出现，就又写了一次，避免再写下一次重造车轮子，贴在博客上好了。

 

//Created by wuyazhe @2010-7-20//引用时请保留作者声明using System;using System.Collections.Generic;using System.Text;using System.Text.RegularExpressions;namespace CSharpConsole02{ class Program { static void Main(string[] args) { //构造规则字典 Dictionary<string, string> rule = new Dictionary<string, string>(); rule.Add("LS", "连接成功"); rule.Add("DA", "日期"); rule.Add("TI", "时间"); rule.Add("GI", "入住"); rule.Add("RN", "房间号"); rule.Add("G#", "客人编号"); rule.Add("GN", "姓名"); rule.Add("GL", "语言"); rule.Add("GV", "VIP会员"); rule.Add("GO", "退房"); rule.Add("GS", "共享"); rule.Add("GSN", "不共享"); //构造测试数组 string[] lines = new string[] { "LS|DA100719|TI161039|", "GI|RN3017|G#17277|GN(EN) Mr Messi|GLEA|GV1|", "GO|RN1007|G#17277|GSN|"}; //依次替换显示 foreach (string line in lines) { Console.WriteLine(MultiReplace(line, rule)); } Console.ReadKey(); } /// <summary> /// 规则替换方法 /// </summary> /// <param name="s">要替换的文本</param> /// <param name="rule">规则字典</param> /// <returns>替换后的文本</returns> public static string MultiReplace(string s, Dictionary<string, string> rule) { //创建规则文本 StringBuilder regexBuilder = new StringBuilder(); foreach (string key in rule.Keys) regexBuilder.Append(Regex.Escape(key) + "|"); regexBuilder.Remove(regexBuilder.Length - 1, 1); return Regex.Replace(s, regexBuilder.ToString(), delegate(Match m) { return rule[m.Value]; }); } }}