Uri::IsHexDigit Method (Char)
.NET Framework (current version)
Determines whether a specified character is a valid hexadecimal digit.
Assembly: System (in System.dll)
Parameters
- character
-
Type:
System::Char
The character to validate.
Return Value
Type: System::BooleanA Boolean value that is true if the character is a valid hexadecimal digit; otherwise false.
Hexadecimal digits are the digits 0 to 9 and the letters A-F or a-f.
The following example determines whether a character is a hexadecimal character and, if it is, writes the corresponding decimal value to the console.
char testChar = 'e'; if ( Uri::IsHexDigit( testChar ) == true ) { Console::WriteLine( "'{0}' is the hexadecimal representation of {1}", testChar, Uri::FromHex( testChar ) ); } else { Console::WriteLine( "'{0}' is not a hex character", testChar ); } String^ returnString = Uri::HexEscape( testChar ); Console::WriteLine( "The hexadecimal value of '{0}' is {1}", testChar, returnString );
.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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