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 Zero Width No-Break Space

bom, zwnbsp, Byte Order Mark

U+FEFF

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Technical information

Name Zero Width No-Break Space
Unicode number
U+FEFF
HTML-code

CSS-code
\FEFF
Block Arabic Presentation Forms-B
Unicode version: 1.1 (1993)

Character description

This character is also known as Byte Order Mark (BOM).

Zero Width No-Break Space was approved as part of Unicode 1.1 in 1993.

Properties

Age 1.1
Block Arabic Presentation Forms-B
Bidi Paired Bracket Type None
Composition Exclusion No
Case Folding FEFF
Simple Case Folding FEFF

Encoding

Encoding hex dec (bytes) dec binary
UTF-8 EF BB BF 239 187 191 15711167 11101111 10111011 10111111
UTF-16BE FE FF 254 255 65279 11111110 11111111
UTF-16LE FF FE 255 254 65534 11111111 11111110
UTF-32BE 00 00 FE FF 0 0 254 255 65279 00000000 00000000 11111110 11111111
UTF-32LE FF FE 00 00 255 254 0 0 4294836224 11111111 11111110 00000000 00000000