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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: 4.5, 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

.NET for Windows Store apps

Supported in: Windows 8

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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