Unicode Character 'ZERO WIDTH NO-BREAK SPACE' (U+FEFF) |
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Browser Test Page | Outline (as SVG file) | Fonts that support U+FEFF
- Wikipedia entry for the Byte Order Mark with complete details.
- Unicode BOM FAQ
- Every character has a story #4: U+feff (alternate title: UTF-8 is the BOM, dude!) from Michael Kaplan
| Unicode Data | |
|---|---|
| Name | ZERO WIDTH NO-BREAK SPACE |
| Block | Arabic Presentation Forms-B |
| Category | Other, Format [Cf] |
| Combine | 0 |
| BIDI | Boundary Neutral [BN] |
| Mirror | N |
| Old name | BYTE ORDER MARK |
| Index entries | ZERO WIDTH NO-BREAK SPACE byte order mark zwnbsp NO-BREAK SPACE, ZERO WIDTH bom SPACE, ZERO WIDTH NO-BREAK |
| Comments | BYTE ORDER MARK (BOM), ZWNBSP may be used to detect byte order by contrast with the noncharacter code point U+FFFE use as an indication of non-breaking is deprecated; see U+2060 instead |
| See Also | zero width space U+200B word joiner U+2060 (<not a character> - FFFE) |
| Version | Unicode 1.1.0 (June, 1993) |
| Encodings | |
|---|---|
| HTML Entity (decimal) |  |
| HTML Entity (hex) |  |
| How to type in Microsoft Windows | Alt +FEFF |
| UTF-8 (hex) | 0xEF 0xBB 0xBF (efbbbf) |
| UTF-8 (binary) | 11101111:10111011:10111111 |
| UTF-16 (hex) | 0xFEFF (feff) |
| UTF-16 (decimal) | 65,279 |
| UTF-32 (hex) | 0x0000FEFF (feff) |
| UTF-32 (decimal) | 65,279 |
| C/C++/Java source code | "\uFEFF" |
| Python source code | u"\uFEFF" |
| More... | |
| Java Data | |
|---|---|
| string.toUpperCase() | |
| string.toLowerCase() | |
| Character.UnicodeBlock | ARABIC_PRESENTATION_FORMS_B |
| Character.charCount() | 1 |
| Character.getDirectionality() | DIRECTIONALITY_BOUNDARY_NEUTRAL [9] |
| Character.getNumericValue() | -1 |
| Character.getType() | 16 |
| Character.isDefined() | Yes |
| Character.isDigit() | No |
| Character.isIdentifierIgnorable() | Yes |
| Character.isISOControl() | No |
| Character.isJavaIdentifierPart() | Yes |
| 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() | Yes |
| Character.isUnicodeIdentifierStart() | No |
| Character.isUpperCase() | No |
| Character.isValidCodePoint() | Yes |
| Character.isWhitespace() | No |
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