| Unicode Character 'REPLACEMENT CHARACTER' (U+FFFD) |    | 
| Unicode Data | |
|---|---|
| Name | REPLACEMENT CHARACTER | 
| Block | Specials | 
| Category | Symbol, Other [So] | 
| Combine | 0 | 
| BIDI | Other Neutrals [ON] | 
| Mirror | N | 
| Index entries | REPLACEMENT CHARACTER | 
| Comments | used to replace an incoming character whose value is unknown or unrepresentable in Unicode compare the use of U+001A as a control character to indicate the substitute function | 
| See Also | uncertainty sign U+2BD1 negative squared question mark U+1FBC4 | 
| Version | Unicode 1.1.0 (June, 1993) | 
| Encodings | |
|---|---|
| HTML Entity (decimal) | � | 
| HTML Entity (hex) | � | 
| How to type in Microsoft Windows | Alt +0FFFD | 
| UTF-8 (hex) | 0xEF 0xBF 0xBD (efbfbd) | 
| UTF-8 (binary) | 11101111:10111111:10111101 | 
| UTF-16 (hex) | 0xFFFD (fffd) | 
| UTF-16 (decimal) | 65,533 | 
| UTF-32 (hex) | 0x0000FFFD (0fffd) | 
| UTF-32 (decimal) | 65,533 | 
| C/C++/Java source code | "\uFFFD" | 
| Python source code | u"\uFFFD" | 
| More... | |
| Java Data | |
|---|---|
| string.toUpperCase() | � | 
| string.toLowerCase() | � | 
| Character.UnicodeBlock | SPECIALS | 
| Character.charCount() | 1 | 
| Character.getDirectionality() | DIRECTIONALITY_OTHER_NEUTRALS [13] | 
| Character.getNumericValue() | -1 | 
| Character.getType() | 28 | 
| Character.isDefined() | Yes | 
| Character.isDigit() | No | 
| Character.isIdentifierIgnorable() | No | 
| Character.isISOControl() | No | 
| Character.isJavaIdentifierPart() | No | 
| Character.isJavaIdentifierStart() | No | 
| Character.isLetter() | No | 
| Character.isLetterOrDigit() | No | 
| Character.isLowerCase() | No | 
| Character.isMirrored() | No | 
| Character.isSpaceChar() | No | 
| Character.isSupplementaryCodePoint() | No | 
| Character.isTitleCase() | No | 
| Character.isUnicodeIdentifierPart() | No | 
| Character.isUnicodeIdentifierStart() | No | 
| Character.isUpperCase() | No | 
| Character.isValidCodePoint() | Yes | 
| Character.isWhitespace() | No |