分享一个自己项目中用到的.net中正则替换工具处理类(支持先用特征匹配内容整体模板，同时模板内对相关字内容进行替换)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace ConfigLab.Comp.DataType
{
    /// <summary>
    /// 功能简介：正则替换的封装处理
    /// 创建时间：2020-6-26
    /// 创建人：pcw
    /// 博客：https://www.cnblogs.com/taohuadaozhu
    /// 用法：
    ///RegReplaceWrapper rrp = new RegReplaceWrapper();
    ///rrp.setReplacementForMatchContext("abc", "123");
    ///MessageBox.Show(rrp.getReplaceResult("混淆代码前开始测试匹配abc,[abc],tabce,  abc cab ", @"[([a-zA-Z]+)]"));
    ///MessageBox.Show(rrp.getReplaceResult("混淆代码前开始测试匹配abc,[abc],tabce,  abc cab abc(); ", @"[^a-zA-Z0-9u4e00-u9fa5](abc)[^a-zA-Z0-9u4e00-u9fa5]"));
    /// </summary>
    public class RegReplaceWrapper
    {
        private string targetitem = "";
        private string replacement = "";
        /// <summary>
        /// 设置纯粹的替换（不考虑模式和所属上下文)
        /// </summary>
        /// <param name="sTargetItem"></param>
        /// <param name="sReplacement"></param>
        public void setReplacementForMatchContext(string sTargetItem, string sReplacement)
        {
            this.targetitem = sTargetItem;
            this.replacement = sReplacement;
        }
        private string setFormatOnMatch(Match match)
        {
            if (string.IsNullOrEmpty(this.targetitem) == false)
            {
                return match.Value.Replace(this.targetitem, this.replacement);
            }
            return match.Value;
        }
        public string getReplaceResult(string sSourceText, string sPattern, RegexOptions eRegexOptions = RegexOptions.Multiline)
        {
            try
            {
                return Regex.Replace(sSourceText, sPattern, new MatchEvaluator(setFormatOnMatch), eRegexOptions);
            }
            catch (Exception ex)
            {

            }
            return sSourceText;
        }
    }
}