Char::IsWhiteSpace Method (String^, Int32)
Indicates whether the character at the specified position in a specified string is categorized as white space.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- s
-
Type:
System::String^
A string.
- index
-
Type:
System::Int32
The position of the character to evaluate in s.
Return Value
Type: System::Booleantrue if the character at position index in s is white space; otherwise, false.
| Exception | Condition |
|---|---|
| ArgumentNullException | s is null. |
| ArgumentOutOfRangeException | index is less than zero or greater than the last position in s. |
Character positions in a string are indexed starting from zero.
White space characters are the following Unicode characters:
Members of the SpaceSeparator category, which includes the characters SPACE (U+0020), NO-BREAK SPACE (U+00A0), OGHAM SPACE MARK (U+1680), 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), and NEXT LINE (U+0085).
The following code example demonstrates IsWhiteSpace.
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1