C# String - Substring() Method

The C# Substring() method is used to retrieve a substring from the given string. The substring starts at the specified index and continues to the end of the string or has a specified length.

Note: This method can be overloaded by passing different type of arguments to it.

Syntax

public string Substring (int startIndex);
public string Substring (int startIndex, int length);

Parameters

Return Value

Returns the substring from the given string.

Exception

Throws ArgumentOutOfRangeException, if the startIndex or length indicates a position which is not in the string.

Example:

In the example below, Substring() method is used to retrieve a substring from the given string called MyStr.

using System;

class MyProgram {
  static void Main(string[] args) {
    string MyStr = "Hello World";
 
    Console.WriteLine(MyStr.Substring(6));
    Console.WriteLine(MyStr.Substring(0,10));
  }
}

The output of the above code will be:

World
Hello Worl