XFEExtension
【DLL】XFE各类拓展是一个C#的DLL库，旨在优化C#代码中常用语句的使用，并提供更简洁的访问方式，同时提供Xunit测试框架，快速搭建服务器/客户端，免费ChatGPTAPI接口，免费通讯服务器，XFE下载器，新增格式等
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XFE各类拓展/StringExtention.cs
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XFEstudio/XFEExtension
Delete XFE各类拓展/StringExtention.cs
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using System;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace XFE各类拓展.StringExtension
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{
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namespace Json
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{
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/// <summary>
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/// 对string类进行Json操作的扩展
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/// </summary>
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public static class JsonStringExtension
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{
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/// <summary>
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/// 根据给定的开头和末尾返回查找到的第一个匹配的字符串（全匹配）
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/// </summary>
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/// <param name="str">被匹配的字符串</param>
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/// <param name="beginstr">匹配开头字符串</param>
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/// <param name="endstr">匹配结尾字符串</param>
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/// <returns>返回夹在开头和末尾中间的字符串</returns>
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public static string GetStringBetweenTwoString(this string str, string beginstr, string endstr)
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{
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if (str != string.Empty && str != null)
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{
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int beginindex = str.IndexOf(beginstr, StringComparison.Ordinal);
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if (beginindex == -1 || beginindex == 0)
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{
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return string.Empty;
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}
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int endindex = str.IndexOf(endstr, beginindex, StringComparison.Ordinal);
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if (endindex == -1 || endindex == 0)
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{
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return string.Empty;
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}
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return str.Substring(beginindex + beginstr.Length, endindex - beginindex - beginstr.Length);
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}
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else
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{
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return string.Empty;
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}
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}
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/// <summary>
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/// 通过给定的文本格式查找对应的字段
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/// </summary>
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/// <param name="str">待匹配文本</param>
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/// <param name="form">查找的文本格式</param>
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/// <returns></returns>
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public static string GetTextByForm(this string str, string form)
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{
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return GetStringBetweenTwoString(str, form + ":", ",");
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}
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}
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}
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/// <summary>
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/// 字符串拓展类
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/// </summary>
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public static class StringExtension
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{
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/// <summary>
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/// 替换字符串中的多个字符串为指定字符串
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/// </summary>
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/// <param name="str"></param>
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/// <param name="replaceStringArray">替换的字符串组</param>
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/// <param name="tarString">目的字符串</param>
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/// <returns></returns>
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public static string ReplaceStrings(this string str, string[] replaceStringArray, string tarString)
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{
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foreach (string replaceString in replaceStringArray)
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{
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str = str.Replace(replaceString, tarString);
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}
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return str;
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}
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/// <summary>
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/// 匹配两个字符串之间的字符串
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/// </summary>
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/// <param name="input"></param>
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/// <param name="startString">起始字符串</param>
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/// <param name="endString">结束字符串</param>
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/// <returns></returns>
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public static string[] MatchStringsBetween(this string input, string startString, string endString)
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{
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string pattern = $"{Regex.Escape(startString)}(.*?){Regex.Escape(endString)}";
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MatchCollection matches = Regex.Matches(input, pattern);
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string[] result = new string[matches.Count];
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for (int i = 0; i < matches.Count; i++)
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{
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result[i] = matches[i].Groups[1].Value;
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}
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return result;
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}
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/// <summary>
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/// 文本自动换行
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/// </summary>
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/// <param name="text"></param>
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/// <param name="width">一行文本的最大长度</param>
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/// <returns></returns>
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public static string WrapText(this string text, int width)
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{
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StringBuilder sb = new StringBuilder();
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int startIndex = 0;
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while (startIndex < text.Length)
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{
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// 寻找下一个换行位置
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int endIndex = startIndex + width;
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if (endIndex >= text.Length)
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{
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// 如果已经到达文本末尾，则直接添加剩余部分并结束循环
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sb.Append(text.Substring(startIndex));
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break;
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}
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else
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{
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// 在指定宽度范围内寻找最后一个空格字符
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int lastSpaceIndex = text.LastIndexOf(' ', endIndex, width);
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if (lastSpaceIndex > startIndex)
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{
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// 如果找到了空格字符，则将文本从起始位置到空格字符位置添加到结果中，并进行换行
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sb.Append(text.Substring(startIndex, lastSpaceIndex - startIndex));
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sb.AppendLine();
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startIndex = lastSpaceIndex + 1;
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}
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else
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{
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// 如果没有找到空格字符，则直接添加指定宽度的文本到结果中，并进行换行
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sb.Append(text.Substring(startIndex, width));
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sb.AppendLine();
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startIndex += width;
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}
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}
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}
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return sb.ToString();
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}
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/// <summary>
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/// 输出到控制台并返回
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/// </summary>
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/// <param name="obj"></param>
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/// <returns>ToString后的内容</returns>
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public static string ConsoleWriteLine(this object obj)
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{
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Console.WriteLine(obj);
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return obj.ToString();
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}
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#region 返回包含分割器的字符串
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/// <summary>
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/// 返回包含分割器的字符串
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/// </summary>
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/// <param name="str"></param>
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/// <param name="delimiter">分割器组</param>
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/// <param name="removeEmptyString">是否移除空字符串</param>
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/// <returns>分割后的带分割器字符串数组</returns>
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public static string[] SplitAndKeepDelimiter(this string str, string[] delimiter, bool removeEmptyString)
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{
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string[] result;
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if (removeEmptyString)
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{
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result = str.Split(delimiter, StringSplitOptions.RemoveEmptyEntries);
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}
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else
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{
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result = str.Split(delimiter, StringSplitOptions.None);
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}
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for (int i = 0; i < result.Length - 1; i++)
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{
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result[i] += delimiter;
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}
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return result;
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}
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/// <summary>
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/// 返回包含分割器的字符串
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/// </summary>
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/// <param name="str"></param>
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/// <param name="delimiter">分割器</param>
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/// <param name="removeEmptyString">是否移除空字符串</param>
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/// <returns>分割后的带分割器字符串数组</returns>
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public static string[] SplitAndKeepDelimiter(this string str, string delimiter, bool removeEmptyString)
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{
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return SplitAndKeepDelimiter(str, new string[] { delimiter }, removeEmptyString);
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}
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/// <summary>
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/// 返回包含分割器的字符串
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/// </summary>
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/// <param name="str"></param>
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/// <param name="delimiter">分割器</param>
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/// <returns>分割后的带分割器字符串数组</returns>
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public static string[] SplitAndKeepDelimiter(this string str, string delimiter)
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{
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return SplitAndKeepDelimiter(str, new string[] { delimiter }, true);
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}
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/// <summary>
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/// 返回包含分割器的字符串
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/// </summary>
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/// <param name="str"></param>
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/// <param name="delimiter">分割器组</param>
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/// <returns>分割后的带分割器字符串数组</returns>
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public static string[] SplitAndKeepDelimiter(this string str, string[] delimiter)
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{
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return SplitAndKeepDelimiter(str, delimiter, true);
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}
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#endregion
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}
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}