using System;
using System.Text.RegularExpressions;
namespace 正則表達(dá)式的構(gòu)建及匹配
{
    class Program
    {
        static void Main(string[] args)
        {
            //判斷是否為北京市固定電話，區(qū)號為010，民用電話號碼為7-8位

            string pattern = @"^(010|010-)\d{7,8}$";  //判定的模式
            string[] input = { "010-12345678", "01023415678", "01098765897", "031078965476" };
            Console.WriteLine("靜態(tài)方法");
            foreach (string outstr in input)
            {
                bool mybool = Regex.IsMatch(outstr.Trim(),pattern);
                if(mybool)
                {
                    Console.WriteLine(outstr+"是北京固話");
                }
                else
                {
                    Console.WriteLine(outstr+"不是北京市固話");
                }
            }
            //實(shí)例化的方式
            Console.WriteLine("實(shí)例化方式");
            foreach (string outstr in input)
            {
                Match mymatch = Regex.Match(outstr.Trim(), pattern);
                if (mymatch.Success)
                {
                    Console.WriteLine(outstr + "是北京固話");
                }
                else
                {
                    Console.WriteLine(outstr + "不是北京市固話");
                }
            }
            Console.ReadKey();
        }
    }
}

using System;
using System.Text.RegularExpressions;

namespace 正則表的是的替換
{
    class Program
    {
        static void Main(string[] args)
        {
            //將www.替換為http://www.
            string mystr = "Welcome to www.darly.net WWW.darly.com WwW.darly.org";
            string pattern = @"\bw{3}\.\w+\.(com|net|org)\b";
            string replacement1 = @"http://$&";  //$&匹配的內(nèi)容
            string replacement2 = "\n"+ @"http://$&";  //$&匹配的內(nèi)容,此種方式只是將響應(yīng)的字符拼接到匹配的字符串前面，

            Console.WriteLine("替換前的字符串"+mystr);
            Console.WriteLine("替換后的字符串1-1" + Regex.Replace(mystr, pattern, replacement1));
            Console.WriteLine("替換后的字符串2-1" + Regex.Replace(mystr, "www.", @"http://www."));    //此種方式是將匹配的內(nèi)容替換成目標(biāo)字符
            Console.WriteLine("替換后的字符串1_2" + Regex.Replace(mystr, pattern, replacement2,RegexOptions.IgnoreCase));
            Console.WriteLine("替換后的字符串2-2" + Regex.Replace(mystr, "www.", "\n"+@"http://www.",RegexOptions.IgnoreCase));
            Regex myregex = new Regex(pattern,RegexOptions.IgnoreCase);
            string result = myregex.Replace(mystr, replacement2);
            Console.WriteLine("替換后的字符串3" +result);

            Regex myregex4 = new Regex(pattern,RegexOptions.IgnoreCase);
            string result4 = myregex4.Replace(mystr, replacement2);
            Console.WriteLine("替換后的字符串4" + result4);

            string pattern5 = @"\bw{3}\.";
            string replacement5 = "\n" + @"http://www.";
            Console.WriteLine("替換后的字符串5" + Regex.Replace(mystr,pattern5,replacement5,RegexOptions.IgnoreCase));

            Console.ReadLine();
        }
    }
}

using System;
using System.Text.RegularExpressions;
namespace 正則表達(dá)式的拆分
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = "一、張三 二、李四 三、王五 四、趙六";
            string patern = @"\b[一二三四]、";
            Console.WriteLine(Type.GetType((Regex.Split(input, patern)).ToString()));
            foreach (string outstr in Regex.Split(input,patern))
            {
                if(!string.IsNullOrEmpty(outstr))Console.WriteLine(outstr);
            }
            Console.ReadKey();
        }
    }
}

using System;
using System.Collections;
namespace Hasehtable1
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable ht = new Hashtable();
            ht.Add("name", "darly");
            ht.Add("gender", "男");
            ht[3] = "王五";  //用此種方式一堆Hashtable去增加元素時(shí)應(yīng)該注意
            //如果對應(yīng)的鍵key存在只是達(dá)到一種重新賦值的結(jié)果，如果不存在才會增加對應(yīng)鍵值對
            ht["gender"] = "女";
            //數(shù)組通過length可以確定長度
            //集合是通過count來確定個(gè)數(shù)
            Console.WriteLine(ht.Count);
            Console.ReadKey(); 

        }
    }
}

using System;
using System.Collections;
namespace Hasehtable1
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable ht = new Hashtable();
            ht.Add("name", "darly");
            ht.Add("gender", "男");
            ht[3] = "王五";  //用此種方式一堆Hashtable去增加元素時(shí)應(yīng)該注意
            //如果對應(yīng)的鍵key存在只是達(dá)到一種重新賦值的結(jié)果，如果不存在才會增加對應(yīng)鍵值對
            ht["gender"] = "女";
            ht["department"] = "測試部";

            //數(shù)組通過length可以確定長度
            //集合是通過count來確定個(gè)數(shù)
            Console.WriteLine(ht.Count);
            foreach(object myobj in ht)
            {
                Console.WriteLine(myobj);  //此處僅僅輸入的是類型
            }
            foreach (DictionaryEntry myobj in ht)
            {
                Console.WriteLine("鍵為：{0}，值為：{1}",myobj.Key,myobj.Value);
            }
            foreach(object myobj in ht.Keys)
            {
                Console.WriteLine("鍵為：{0}；值為{1}", myobj,ht[myobj]);
            }
            Console.ReadKey(); 

        }
    }
}

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Hashtable元素刪除
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable ht = new Hashtable();
            ht.Add(1, "張颯");
            ht.Add(true,"李四");
            ht.Add(false, "王五");
            ht.Add(3, "趙六");
            foreach(DictionaryEntry myde in ht)
            {
                Console.WriteLine("鍵為{0}，值為：{1}", myde.Key, myde.Value);

            }
            //刪除Remove
            ht.Remove(false);
            Console.WriteLine("移除結(jié)果");
            foreach (DictionaryEntry myde in ht)
            {
                Console.WriteLine("鍵為{0}，值為：{1}", myde.Key, myde.Value);

            }
            //刪除Clear，刪除所有內(nèi)容
            ht.Clear();
            Console.WriteLine("清除結(jié)果");
            foreach (DictionaryEntry myde in ht)
            {
                Console.WriteLine("鍵為{0}，值為：{1}", myde.Key, myde.Value);

            }
            Console.ReadLine();

        }
    }
}

using System;
using System.Collections;
namespace Hashtable元素查找
{
    class Program
    {
        static void Main(string[] args)
        {
            Hashtable ht = new Hashtable();
            ht.Add(1, "張三");
            ht.Add(2, "里斯");
            ht.Add(3, "王五");
            ht.Add(4, "趙六");
            ht[5] = "何七";
            ht[6] = "張三";
            Console.WriteLine("添加的結(jié)果");
            foreach(DictionaryEntry myde in ht)
            {
                Console.WriteLine("鍵為{0}——職位{1}", myde.Key, myde.Value);

            }
            //元素查找
            if(ht.ContainsKey(1))   //ContainsKey()存在返回true，不存在返回false
                Console.WriteLine("存在鍵=1的元素");
            else Console.WriteLine("不存在該該鍵");
            if (ht.ContainsValue("張三")) Console.WriteLine("存在值為張三的元素");
            else Console.WriteLine("不存在值為張三的元素");
            Console.Read();
        }
    }
}

using System;
using System.Text.RegularExpressions;
using System.Collections;
namespace 任務(wù)小結(jié)
{
    class Program
    {
        static void Main(string[] args)
        {
            //統(tǒng)計(jì)指定字符串（字符串可自行聲明）中漢字的個(gè)數(shù)以及每個(gè)漢字出現(xiàn)的次數(shù)，將其輸出到屏幕上
            Console.WriteLine("請輸入一個(gè)字符串，系統(tǒng)將自動計(jì)算漢字個(gè)數(shù)以及每個(gè)漢字的出現(xiàn)次數(shù)");
            string mystr = Console.ReadLine();
            string pattern = @"[^\u4e00-\u9fa5]";  //判定非漢字的字符,將非漢字的字符替換掉就是全部的漢字
            Regex myregex = new Regex(pattern);
            string chnstr = myregex.Replace(mystr, "");
            Hashtable ht = new Hashtable();
            for (int i = 0; i < chnstr.Length; i++)
            {
                int val = 1;
                if(ht.ContainsKey(chnstr[i]))
                {
                   val = Convert.ToInt32(ht[chnstr[i]]);
                    ++val;
                    ht[chnstr[i]] = val;
                }
                else
                {
                    ht.Add(chnstr[i], val);
                }
            }
            Console.WriteLine("原有的字符串是：" + mystr);
            foreach (DictionaryEntry de in ht)
            {
                Console.WriteLine("漢字{0}出現(xiàn)了{(lán)1}次",de.Key,de.Value);
            }
            Console.ReadKey();
        }
    }
}