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String.Equals Method (String)

Determines whether this instance and another specified String object have the same value.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public bool Equals(
	string value
)

Parameters

value
Type: System.String
The string to compare to this instance.

Return Value

Type: System.Boolean
true if the value of the value parameter is the same as this instance; otherwise, false.

Implements

IEquatable<T>.Equals(T)

This method performs an ordinal (case-sensitive and culture-insensitive) comparison.

The following example demonstrates the Equals method.


using System;

public class Example
{
   public static void Main()
   {
      Console.OutputEncoding = System.Text.Encoding.UTF8;
      string word = "File";
      string[] others = { word.ToLower(), word, word.ToUpper(), "fıle" };
      foreach (string other in others)
      {
         if (word.Equals(other)) 
            Console.WriteLine("{0} = {1}", word, other);
         else
            Console.WriteLine("{0} {1} {2}", word, '\u2260', other);
      }        
   }
}
// The example displays the following output:
//       File ≠ file
//       File = File
//       File ≠ FILE
//       File ≠ fıle


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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