Text in C# (type string and class String)

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Text in C# (type string and class String)

Text in C# (type string and class String)

Алгоритм пересечения прямоугольников

What is text in the C# ? Type string and class String. Methods for working with text.

Length (string length in C#). Example: string str1 = "Hello"; int v1 = str1.Length;

CompareTo (compares case-sensitive text in C#). Example: bool bIsSame = str1.CompareTo(str2)==0;

ToLower (converts text to lowercase in C#). Example: string str1 = "HELLO World!"; string str2 = str1.ToLower();

ToUpper (converts text to uppercase in C#). Example: string str1 = "Hello World!"; string str2 = str1.ToUpper();

Split (split the string into words in C#). Example: string[] arrWords = strText.Split(' ');

StartsWith (checks the beginning of the text with the specified case-sensitive text in C#). Example: bool bStart = str1.StartsWith(str2);

Contains (checks whether the text specified is case-sensitive or not in case-sensitive C#). Example: bool bFound = str1.Contains(str2);

IndexOf (searches for a case-sensitive string and returns the position in C#). Example: int pos = str1.IndexOf(str2);

Substring (returns part of the text from the specified position and length in the C#). Example: string str1 = "Hello World!"; string str2 = str1.Substring(2, 5);

IsNullOrEmpty (checks the text for blank or for null in the C#). Example: string name = "Hello World!"; bool bFlag = String.IsNullOrEmpty(name);

IsNullOrWhiteSpace (validates text on null or on text with spaces in the C#). Example: string name = " "; bool bFlag = String.IsNullOrWhiteSpace(name);

[] (returns a character from the specified position in the C#). Example: char symbol = str[1];

Format (text formatting, strings in the C#). Example: string strNew = String.Format("Hello {0}, {1}", name, year);

+ (add lines and text in the C#). Example: string str = str1 + str2 + " people!";

$ (string interpolation in the C#). Example: string result = $"Hello {a} + {b} = {a + b}";

Symbol @ before the beginning of the line in the C#. Example: string str1 = @"aaa";

Используем вместе @ и $ (интерполяцию строк в C#)

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