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Char.IsWhiteSpace Method (Char)

Indicates whether the specified Unicode character is categorized as white space.

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

public static bool IsWhiteSpace(
	char c
)

Parameters

c
Type: System.Char

A Unicode character.

Return Value

Type: System.Boolean
true if c is white space; otherwise, false.

White space characters are the following Unicode characters:

  • Members of the SpaceSeparator category, which includes the characters SPACE (U+0020), OGHAM SPACE MARK (U+1680), MONGOLIAN VOWEL SEPARATOR (U+180E), EN QUAD (U+2000), EM QUAD (U+2001), EN SPACE (U+2002), EM SPACE (U+2003), THREE-PER-EM SPACE (U+2004), FOUR-PER-EM SPACE (U+2005), SIX-PER-EM SPACE (U+2006), FIGURE SPACE (U+2007), PUNCTUATION SPACE (U+2008), THIN SPACE (U+2009), HAIR SPACE (U+200A), NARROW NO-BREAK SPACE (U+202F), MEDIUM MATHEMATICAL SPACE (U+205F), and IDEOGRAPHIC SPACE (U+3000).

  • Members of the LineSeparator category, which consists solely of the LINE SEPARATOR character (U+2028).

  • Members of the ParagraphSeparator category, which consists solely of the PARAGRAPH SEPARATOR character (U+2029).

  • The characters CHARACTER TABULATION (U+0009), LINE FEED (U+000A), LINE TABULATION (U+000B), FORM FEED (U+000C), CARRIAGE RETURN (U+000D), NEXT LINE (U+0085), and NO-BREAK SPACE (U+00A0).

NoteNote:

   A return value of true from this method does not necessarily indicate that c is a white space character that will be removed by a call to the String.Trim method if it is a leading or trailing part of the string.

The following code example demonstrates IsWhiteSpace.

using System;

public class IsWhiteSpaceSample {
	public static void Main() {
		string str = "black matter"; 

		Console.WriteLine(Char.IsWhiteSpace('A'));		// Output: "False"
		Console.WriteLine(Char.IsWhiteSpace(str, 5));	// Output: "True"
	}
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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