{"id":1266,"date":"2016-06-18T12:14:21","date_gmt":"2016-06-18T10:14:21","guid":{"rendered":"https:\/\/developers.sd\/%d8%a7%d9%84%d8%aa%d8%b9%d8%a7%d9%85%d9%84-%d9%85%d8%b9-%d8%a7%d9%84%d9%86%d8%b5%d9%88%d8%b5-%d9%81%d9%8a-%d9%84%d8%ba%d8%a9-%d8%b3%d9%8a-%d8%b4%d8%a7%d8%b1%d8%a8-c\/"},"modified":"2020-01-16T10:48:50","modified_gmt":"2020-01-16T08:48:50","slug":"%d8%a7%d9%84%d8%aa%d8%b9%d8%a7%d9%85%d9%84-%d9%85%d8%b9-%d8%a7%d9%84%d9%86%d8%b5%d9%88%d8%b5-%d9%81%d9%8a-%d9%84%d8%ba%d8%a9-%d8%b3%d9%8a-%d8%b4%d8%a7%d8%b1%d8%a8-c","status":"publish","type":"post","link":"https:\/\/developers.sd\/?p=1266","title":{"rendered":"\u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0646\u0635\u0648\u0635 \u0641\u064a \u0644\u063a\u0629 \u0633\u064a \u0634\u0627\u0631\u0628 #C"},"content":{"rendered":"

<\/p>\n

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\t\"learn-csharp-strings.png\"\/<\/p>\n

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\t\u0627\u0644\u0628\u062d\u062b \u0636\u0645\u0646 \u0646\u0635 <\/h3>\n

\t\u0644\u0644\u0645\u062d\u0627\u0631\u0641 \u0641\u064a \u0623\u064a\u0651 \u0646\u0635 \u062a\u0631\u062a\u064a\u0628 \u0631\u0642\u0645\u064a \u064a\u0628\u062f\u0623 \u0645\u0646 \u0627\u0644\u0635\u0641\u0631 \u0648\u064a\u0633\u0645\u0649 \u0627\u0644\u062f\u0644\u064a\u0644 index. \u0625\u0630\u0627 \u0623\u0631\u062f\u0646\u0627 \u0623\u0646 \u0646\u0628\u062d\u062b \u0639\u0646 \u0646\u0635 \u0645\u062d\u062f\u0651\u062f \u0636\u0645\u0646 \u0646\u0635 \u0622\u062e\u0631 \u0641\u064a\u0645\u0643\u0646 \u0630\u0644\u0643 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 IndexOf \u0627\u0644\u0630\u064a \u0646\u0633\u062a\u062f\u0639\u064a\u0647 \u0645\u0646 \u0627\u0644\u0646\u0635 \u0627\u0644\u0645\u0631\u0627\u062f \u0627\u0644\u0628\u062d\u062b \u0636\u0645\u0646\u0647\u060c \u0648\u0646\u0645\u0631\u0651\u0631 \u0625\u0644\u064a\u0647 \u0627\u0644\u0646\u0635 \u0627\u0644\u0645\u0631\u0627\u062f \u0627\u0644\u0628\u062d\u062b \u0639\u0646\u0647\u060c \u0641\u064a\u064f\u0631\u062c\u0639 \u062f\u0644\u064a\u0644 \u0623\u0648\u0651\u0644 \u0645\u062d\u0631\u0641 \u0644\u0644\u0646\u0635 \u0627\u0644\u0645\u0637\u0627\u0628\u0642 \u0641\u064a \u062d\u0627\u0644 \u0648\u062c\u0648\u062f\u0647 \u0648\u0625\u0644\u0651\u0627 \u0641\u064a\u0631\u062c\u0639 1-. \u0643\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643 \u0627\u0646\u0638\u0631 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n

 string text = "My friend Mohammad is a developer, Mohammad likes C#."; int pos = text.IndexOf("Mohammad");<\/pre>\n
 \t\u0628\u0639\u062f \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u0633\u064a\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 pos \u0627\u0644\u0642\u064a\u0645\u0629 10 \u0648\u0627\u0644\u062a\u064a \u062a\u0645\u062b\u0651\u0644 \u062f\u0644\u064a\u0644 \u0627\u0644\u062d\u0631\u0641 M \u0636\u0645\u0646 \u0627\u0644\u0646\u0635 text. \u0631\u0628\u0645\u0627 \u062a\u0643\u0648\u0646 \u0642\u062f \u0644\u0627\u062d\u0638\u062a \u0623\u0646\u0651 \u0627\u0644\u0646\u0635 Mohammad \u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u0644\u0646\u0635 text \u0645\u0631\u0651\u062a\u064a\u0646\u060c \u0641\u0623\u064a\u0651 \u062f\u0644\u064a\u0644 \u0623\u0639\u0627\u062f \u0627\u0644\u062a\u0627\u0628\u0639 IndexOf\u061f <\/p>\n
 \t\u062a\u062c\u0631\u064a \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0628\u062d\u062b \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 IndexOf \u062d\u0633\u0628 \u062a\u0631\u062a\u064a\u0628 \u0625\u062f\u062e\u0627\u0644 \u0627\u0644\u0645\u062d\u0627\u0631\u0641 \u0641\u064a \u0627\u0644\u0646\u0635 text\u060c \u0644\u0630\u0644\u0643 \u0641\u0623\u0648\u0651\u0644 \u0643\u0644\u0645\u0629 Mohammad \u0645\u0637\u0627\u0628\u0642\u0629 \u064a\u0635\u0627\u062f\u0641\u0647\u0627 \u062a\u064f\u0646\u0647\u064a \u0639\u0645\u0644\u064a\u0651\u0629 \u0627\u0644\u0628\u062d\u062b. \u0641\u0641\u064a \u0645\u062b\u0627\u0644\u0646\u0627 \u0627\u0644\u0633\u0627\u0628\u0642 \u062d\u062f\u062b\u062a \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0639\u0646\u062f \u0643\u0644\u0645\u0629 Mohammad \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u0639\u062f "My friend". <\/p>\n
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 string text = "My friend Mohammad is a developer, Mohammad likes C#."; int pos = text.IndexOf("Amjad");<\/pre>\n
 \t\u0633\u064a\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 pos \u0627\u0644\u0642\u064a\u0645\u0629 1- \u0644\u0623\u0646\u0651 \u0627\u0644\u0646\u0635 \u0627\u0644\u0630\u064a \u0646\u0628\u062d\u062b \u0639\u0646\u0647 \u063a\u064a\u0631 \u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u0644\u0646\u0635 text. <\/p>\n
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 \t\u0647\u0646\u0627\u0643 \u062a\u0627\u0628\u0639 \u0622\u062e\u0631 \u064a\u0633\u0645\u062d \u0644\u0646\u0627 \u0628\u0623\u0646 \u0646\u0628\u062d\u062b \u0628\u0634\u0643\u0644 \u0645\u0639\u0643\u0648\u0633\u060c \u0648\u0647\u0648 \u0627\u0644\u062a\u0627\u0628\u0639 LastIndexOf \u0644\u0641\u0647\u0645 \u0639\u0645\u0644\u0647 \u0628\u0634\u0643\u0644 \u062c\u064a\u0651\u062f \u0633\u0623\u0639\u064a\u062f \u0643\u062a\u0627\u0628\u0629 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u0648\u0644\u0643\u0646 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 LastIndexOf: <\/p>\n
 string text = "My friend Mohammad is a developer, Mohammad likes C#."; int pos = text.LastIndexOf("Mohammad");<\/pre>\n
 \t\u0628\u0639\u062f \u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u0633\u064a\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 pos \u0627\u0644\u0642\u064a\u0645\u0629 35\u060c \u0648\u0630\u0644\u0643 \u0644\u0623\u0646\u0651 \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u062d\u062f\u062b\u062a \u0647\u0630\u0647 \u0627\u0644\u0645\u0631\u0651\u0629 \u0645\u0639 \u0643\u0644\u0645\u0629 Mohammad \u0627\u0644\u062b\u0627\u0646\u064a\u0629 (\u062a\u0623\u062a\u064a \u0642\u0628\u0644 \u0643\u0644\u0645\u0629 likes). \u062d\u064a\u062b \u062a\u0645\u062b\u0651\u0644 \u0627\u0644\u0642\u064a\u0645\u0629 35 \u062f\u0644\u064a\u0644 \u0627\u0644\u062d\u0631\u0641 M \u0644\u0647\u0630\u0647 \u0627\u0644\u0643\u0644\u0645\u0629 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0646\u0635 text. <\/p>\n
 \t\u0645\u0644\u0627\u062d\u0638\u0629 <\/h3>\n
 \t\u064a\u0645\u0643\u0646\u0643 \u0623\u0646 \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 ToUpper \u0645\u0646 \u0623\u064a \u0645\u062a\u063a\u064a\u0651\u0631 \u0646\u0635\u064a \u0648\u0627\u0644\u0630\u064a \u064a\u0639\u064a\u062f \u062d\u0627\u0644\u0629 \u0627\u0644\u0623\u062d\u0631\u0641 \u0627\u0644\u0637\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0644\u0644\u0646\u0635 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0636\u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 \u0627\u0644\u0646\u0635\u064a \u062f\u0648\u0646 \u0623\u0646 \u064a\u0624\u062b\u0651\u0631 \u0630\u0644\u0643 \u0639\u0644\u0649 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0646\u0635 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0636\u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631. \u0648\u0646\u0641\u0633 \u0627\u0644\u0623\u0645\u0631 \u064a\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 \u0627\u0644\u062a\u0627\u0628\u0639 ToLower \u0648\u0627\u0644\u0630\u064a \u064a\u0639\u064a\u062f \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0637\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629. \u064a\u0641\u064a\u062f \u0643\u0644 \u0645\u0646 \u0627\u0644\u062a\u0627\u0628\u0639\u064a\u0646 \u0627\u0644\u0633\u0627\u0628\u0642\u064a\u0646 \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0641\u064a \u0627\u0644\u0628\u062d\u062b \u0625\u0630\u0627 \u0623\u0631\u062f\u0646\u0627 \u0639\u062f\u0645 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0628\u064a\u0646 \u0627\u0644\u0623\u062d\u0631\u0641 \u0627\u0644\u0637\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0648\u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u0639\u0646\u062f \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0628\u064a\u0646 \u0627\u0644\u0643\u0644\u0645\u0627\u062a. \u0627\u0646\u0638\u0631 \u0644\u0643\u064a\u0641\u064a\u0651\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u0630\u064a\u0646 \u0627\u0644\u062a\u0627\u0628\u0639\u064a\u0646: <\/p>\n
 string text = "Hello!";  string upper = text.ToUpper(); \/\/upper will contains "HELLO!" string lower = text.ToLower(); \/\/lower will contains "hello!"<\/pre>\n
 \t\u0645\u0639 \u0627\u0644\u0627\u0646\u062a\u0628\u0627\u0647 \u0625\u0644\u0649 \u0623\u0646\u0651 \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 text \u062a\u0628\u0642\u0649 \u0643\u0645\u0627 \u0647\u064a. <\/p>\n
 \t\u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0636\u0645\u0646 \u0646\u0635 <\/h3>\n
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 string text = "My friend Mohammad is a developer, Mohammad likes C#."; string newText = text.Replace("Mohammad", "Amjad");<\/pre>\n
 \t\u0628\u0639\u062f \u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u0633\u064a\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 newText \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0635\u064a\u0651\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n
 "My friend Amjad is a developer, Amjad likes C#."<\/pre>\n
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 string text = "My friend Mohammad is a developer, Mohammad likes C#.";  string text1 = text.Substring(24);<\/pre>\n
 \t\u0628\u0639\u062f \u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u0633\u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 text1 \u0639\u0644\u0649 \u0627\u0644\u0646\u0635: ".#developer, Mohammad likes C". \u0623\u0645\u0651\u0627 \u0625\u0630\u0627 \u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n
 string text = "My friend Mohammad is a developer, Mohammad likes C#.";  string text1 = text.Substring(24, 9);<\/pre>\n
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 \t\u0636\u0645 \u0627\u0644\u0646\u0635\u0648\u0635 <\/h3>\n
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 string text = "My name is " + "Husam";<\/pre>\n
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 "My name is Husam"<\/pre>\n
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 \t\u0627\u0644\u062d\u0644 \u0627\u0644\u0623\u0645\u062b\u0644 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629 \u0647\u0648 \u062a\u062c\u0646\u0651\u0628 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0627\u0645\u0644 \u0627\u0644\u0636\u0645 (+)\u060c \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0635\u0646\u0641 StringBuilder \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0636\u0645\u0646 \u0646\u0637\u0627\u0642 \u0627\u0644\u0627\u0633\u0645 System.Text \u0627\u0644\u0630\u064a \u064a\u062d\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0628\u0643\u0641\u0627\u0621\u0629 \u0639\u0627\u0644\u064a\u0629. \u0644\u0646\u0633\u062a\u0639\u0631\u0636 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson11_01 \u0644\u0647\u0630\u0627 \u0627\u0644\u063a\u0631\u0636: <\/p>\n
 1\tusing System; 2\tusing System.Text; 3 4\tnamespace Lesson11_01 5\t{ 6\t    class Program 7\t    { 8\t        static void Main(string[] args) 9\t        { 10\t            StringBuilder sb = new StringBuilder(); 11\t            string[] arrText = { 12\t                                "C# is a powerful language.", 13\t                                "It contains advanced features.", 14\t                                "It makes programming tasks more easier.", 15\t                                "C# is the main programming language in .NET world." 16\t                                }; 17 18\t            foreach(string text in arrText) 19\t            { 20\t                sb.Append(text); 21\t            } 22 23\t            Console.WriteLine(sb.ToString()); 24\t        } 25\t    } 26\t}<\/pre>\n
 \t\u0623\u0646\u0634\u0623\u0646\u0627 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 sb \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 StringBuilder \u0648\u0623\u0633\u0646\u062f\u0646\u0627 \u0625\u0644\u064a\u0647 \u0643\u0627\u0626\u0646\u064b\u0627 \u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 10. \u0628\u0639\u062f \u0630\u0644\u0643 \u0623\u0646\u0634\u0623\u0646\u0627 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 arrText \u0628\u0637\u0631\u064a\u0642\u0629 \u0645\u062e\u062a\u0635\u0631\u0629 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 11. \u062b\u0645\u0651 \u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627 \u062d\u0644\u0642\u0629 foreach \u0644\u0644\u0645\u0631\u0648\u0631 \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 arrText \u0648\u0625\u0636\u0627\u0641\u062a\u0647\u0627 \u0648\u0627\u062d\u062f\u064b\u0627 \u062a\u0644\u0648 \u0627\u0644\u0622\u062e\u0631 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 sb \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062a\u0627\u0628\u0639 Append \u0627\u0644\u0630\u064a \u064a\u062a\u0637\u0644\u0651\u0628 \u0648\u0633\u064a\u0637\u064b\u0627 \u0646\u0635\u064a\u0651\u064b\u0627 \u0648\u0627\u062d\u062f\u064b\u0627 (\u0627\u0644\u0633\u0637\u0631 20). \u0623\u062e\u064a\u0631\u064b\u0627 \u064a\u0639\u0645\u0644 \u0627\u0644\u062a\u0627\u0628\u0639 WriteLine \u0641\u064a \u0627\u0644\u0633\u0637\u0631 23 \u0639\u0644\u0649 \u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0646\u0635\u064a\u0651 \u0627\u0644\u0646\u0627\u062a\u062c \u0645\u0646 \u0636\u0645\u0651 \u062c\u0645\u064a\u0639 \u0627\u0644\u0646\u0635\u0648\u0635 \u0627\u0644\u062a\u064a \u0623\u0636\u0641\u0646\u0627\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 Append \u0648\u0630\u0644\u0643 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0633\u062a\u062f\u0639\u0627\u0621 \u0627\u0644\u062a\u0627\u0628\u0639 ToString \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 sb\u060c \u0633\u062a\u0644\u0627\u062d\u0638 \u0628\u0639\u062f \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0623\u0646\u0651 \u0627\u0644\u0646\u0635 \u0627\u0644\u0645\u0639\u0631\u0648\u0636 \u0633\u064a\u0643\u0648\u0646 \u0645\u0636\u0645\u0648\u0645\u064b\u0627 \u0643\u0645\u0627 \u0644\u0648 \u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627 \u0639\u0627\u0645\u0644 \u0627\u0644\u0636\u0645 (+) \u0639\u0644\u0649 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 C# is a powerful language.It contains advanced features.It makes programming tasks more easier.C# is the main programming language in .NET world.<\/pre>\n
 \t\u0643\u0627\u0646 \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0627\u0628\u0639 \u0622\u062e\u0631 \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 sb \u0641\u064a \u0627\u0644\u0633\u0637\u0631 20 \u0648\u0647\u0648 \u0627\u0644\u062a\u0627\u0628\u0639 AppendLine. \u064a\u0634\u0628\u0647 \u0647\u0630\u0627 \u0627\u0644\u062a\u0627\u0628\u0639 Append \u062a\u0645\u0627\u0645\u064b\u0627 \u0628\u0627\u0633\u062a\u062b\u0646\u0627\u0621 \u0623\u0646\u0651\u0647 \u064a\u0636\u064a\u0641 \u0645\u062d\u0631\u0641 \u0633\u0637\u0631 \u062c\u062f\u064a\u062f n \u062a\u0644\u0642\u0627\u0626\u064a\u0651\u064b\u0627 \u0625\u0644\u0649 \u0643\u0644\u0651 \u0646\u0635 \u062c\u062f\u064a\u062f \u062a\u062a\u0645 \u0625\u0636\u0627\u0641\u062a\u0647. <\/p>\n
 \t\u0645\u0644\u0627\u062d\u0638\u0629 <\/h3>\n
 \t\u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 11 \u0623\u0633\u0644\u0648\u0628\u064b\u0627 \u0645\u062e\u062a\u0635\u0631\u064b\u0627 \u0641\u064a \u0625\u0646\u0634\u0627\u0621 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u0630\u0627 \u0627\u0644\u0623\u0633\u0644\u0648\u0628 \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0645\u0639\u0631\u0648\u0641\u0629 \u0648\u0645\u062d\u062f\u0651\u062f\u0629. \u0644\u0644\u0623\u0633\u0644\u0648\u0628 \u0627\u0644\u0645\u062e\u062a\u0635\u0631 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0627\u0644\u0646\u0635\u064a\u0651\u0629: <\/p>\n
 string[] arrText = {"Text_1", "Text_2", "Text_3", \u2026 , "Text_n"};<\/pre>\n
 \t\u0648\u064a\u0645\u0643\u0646 \u0628\u0627\u0644\u0637\u0628\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u0630\u0627 \u0627\u0644\u0623\u0633\u0644\u0648\u0628 \u0627\u0644\u0645\u062e\u062a\u0635\u0631 \u0645\u0639 \u0623\u064a\u0651 \u0646\u0648\u0639 \u0645\u0635\u0641\u0648\u0641\u0629 \u0622\u062e\u0631. <\/p>\n
 \t\u062a\u0645\u0627\u0631\u064a\u0646 \u062f\u0627\u0639\u0645\u0629 <\/h2>\n
 \t\u062a\u0645\u0631\u064a\u0646 1 <\/h3>\n
 \t\u0644\u064a\u0643\u0646 \u0644\u062f\u064a\u0646\u0627 \u0627\u0644\u0646\u0635 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n
 "black cat and white dog are friends. black cat always brings food to dog, and white dog thanks it."<\/pre>\n
 \t\u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0643\u062a\u0627\u0628\u0629 \u0628\u0631\u0646\u0627\u0645\u062c \u064a\u062d\u0633\u0628 \u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0645\u0627\u062a black \u0648\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0645\u0627\u062a dog \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0646\u0635. \u062b\u0645\u0651 \u064a\u0633\u062a\u0628\u062f\u0644 \u0643\u0644 \u0643\u0644\u0645\u0629 white \u0641\u064a \u0627\u0644\u0646\u0635 \u0628\u0643\u0644\u0645\u0629 brown \u0648\u064a\u0639\u0631\u0636 \u0627\u0644\u0646\u0635 \u0627\u0644\u0645\u0639\u062f\u0651\u0644 \u0639\u0644\u0649 \u0627\u0644\u0634\u0627\u0634\u0629. <\/p>\n
 \t\u062a\u0645\u0631\u064a\u0646 2 <\/h3>\n
 \t\u0647\u0630\u0627 \u0627\u0644\u062a\u0645\u0631\u064a\u0646 \u0647\u0648 \u062a\u062d\u062f\u0651\u064d \u0645\u0646 \u0646\u0648\u0639 \u0622\u062e\u0631! <\/p>\n
 \t\u0627\u0643\u062a\u0628 \u0628\u0631\u0646\u0627\u0645\u062c\u064b\u0627 \u064a\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0646\u0635 \u0643\u064a\u0641\u064a\u0651. \u062b\u0645 \u0623\u0639\u062f\u0651 \u062a\u0642\u0631\u064a\u0631\u064b\u0627 \u064a\u062a\u0636\u0645\u0651\u0646 \u0625\u062d\u0635\u0627\u0626\u064a\u0651\u0627\u062a \u062d\u0648\u0644 \u0639\u062f\u062f \u0643\u0644 \u0643\u0644\u0645\u0629 \u0623\u062f\u062e\u0644\u0647\u0627 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u060c \u0648\u0627\u0639\u0631\u0636 \u0647\u0630\u0627 \u0627\u0644\u062a\u0642\u0631\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0634\u0627\u0634\u0629. <\/p>\n
 \t(\u062a\u0644\u0645\u064a\u062d<\/strong>: \u0631\u0628\u0645\u0627 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0634\u0643\u0644 \u0645\u062e\u062a\u0644\u0641 \u0644\u0644\u062a\u0627\u0628\u0639 IndexOf \u064a\u062a\u0637\u0644\u0651\u0628 \u0648\u0633\u064a\u0637\u064a\u0646: \u0627\u0644\u0623\u0648\u0651\u0644 \u0647\u0648 \u0627\u0644\u0646\u0635 \u0627\u0644\u0645\u0631\u0627\u062f \u0627\u0644\u0628\u062d\u062b \u0639\u0646\u0647\u060c \u0648\u0627\u0644\u062b\u0627\u0646\u064a \u0647\u0648 \u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0641 \u0627\u0644\u0630\u064a \u0633\u064a\u0628\u062f\u0623 \u0627\u0644\u0628\u062d\u062b \u0627\u0639\u062a\u0628\u0627\u0631\u064b\u0627 \u0645\u0646\u0647. \u0641\u064a \u0623\u0645\u062b\u0644\u062a\u0646\u0627 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u0643\u0646\u0651\u0627 \u0646\u0628\u062d\u062b \u0627\u0641\u062a\u0631\u0627\u0636\u064a\u0651\u064b\u0627 \u0645\u0646 \u0627\u0644\u0645\u062d\u0631\u0641 \u0630\u0648 \u0627\u0644\u062f\u0644\u064a\u0644 0). <\/p>\n
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\n string text = “My friend Mohammad is a developer, Mohammad likes C#.”; int pos = text.IndexOf(“Mohammad”); \t\u0628\u0639\u062f \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u0633\u064a\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 pos \u0627\u0644\u0642\u064a\u0645\u0629 10 \u0648\u0627\u0644\u062a\u064a..<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,95],"tags":[],"class_list":["post-1266","post","type-post","status-publish","format-standard","hentry","category-library","category-int-posts"],"_links":{"self":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1266"}],"version-history":[{"count":0,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1266\/revisions"}],"wp:attachment":[{"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}