string class c#

C# string

string str1 = "Blue";
string str2 = "Duck";

//returns length of string
str1.Length;

//Make clone of string.
str2 = str1.Clone();

//checks whether specified character or string is exists or not
//in the string value.
str2.Contains(“hack”);

//checks whether specified character is
//the last character of string or not.
str2.EndsWith(“io”);

//compares two string and returns Boolean value true 
//as output if they are equal, false if not
str2.Equals(str1);

//Returns the index position of first occurrence of specified character.
str1.IndexOf(“:”);

//Converts String into lower case based on rules of the current culture.
str1.ToLower();

//Converts String into Upper case based on rules of the current culture.
str1.ToUpper();

//Insert the string or character in the string at the specified position.
str1.Insert(0, “Welcome”);

//Returns the index position of last occurrence of specified character.
str1.LastIndexOf(“T”);

//deletes all the characters from beginning to specified index position
str1.Remove(i);

//replaces the specified character with another
str1.Replace(‘a’, ‘e’);

//This method splits the string based on specified value.
string[] strArray = str1.Split(“/”);

//This method returns substring.
str1.Substring(startIndex , endIndex);

//It removes extra whitespaces from beginning and ending of string.
str1.Trim();

//returns HashValue of specified string.
str1.GetHashCode();

//This is not an exhaustive list.

Posted by: Guest on February-10-2021

Source

// Declare without initializing. string message1; // Initialize to null. string message2 = null; // Initialize as an empty string. // Use the Empty constant instead of the literal "". string message3 = System.String.Empty; // Initialize with a regular string literal. string oldPath = "c:\Program Files\Microsoft Visual Studio 8.0"; // Initialize with a verbatim string literal. string newPath = @"c:Program FilesMicrosoft Visual Studio 9.0"; // Use System.String if you prefer. System.String greeting = "Hello World!"; // In local variables (i.e. within a method body) // you can use implicit typing. var temp = "I'm still a strongly-typed System.String!"; // Use a const string to prevent 'message4' from // being used to store another string value. const string message4 = "You can't get rid of me!"; // Use the String constructor only when creating // a string from a char*, char[], or sbyte*. See // System.String documentation for details. char[] letters = { 'A', 'B', 'C' }; string alphabet = new string(letters);

string s1 = "A string is more "; string s2 = "than the sum of its chars."; // Concatenate s1 and s2. This actually creates a new // string object and stores it in s1, releasing the // reference to the original object. s1 += s2;

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