Unicode Character 'HALFWIDTH HANGUL FILLER' (U+FFA0)

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Do not use this character in domain names. Browsers are blacklisting it because of the potential for phishing.
Unicode Data
Name HALFWIDTH HANGUL FILLER
Block Halfwidth and Fullwidth Forms
Category Letter, Other [Lo]
Combine 0
BIDI Left-to-Right [L]
Decomposition <narrow> HANGUL FILLER (U+3164)
Mirror N
Old name HALFWIDTH HANGUL CAE OM
Index entries Korean Hangul Variants, Halfwidth
Halfwidth Korean Hangul Variants
Hangul Variants, Halfwidth Korean
Approximations <narrow> 3164
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) &#65440;
HTML Entity (hex) &#xffa0;
How to type in Microsoft Windows Alt +FFA0
UTF-8 (hex) 0xEF 0xBE 0xA0 (efbea0)
UTF-8 (binary) 11101111:10111110:10100000
UTF-16 (hex) 0xFFA0 (ffa0)
UTF-16 (decimal) 65,440
UTF-32 (hex) 0x0000FFA0 (ffa0)
UTF-32 (decimal) 65,440
C/C++/Java source code "\uFFA0"
Python source code u"\uFFA0"
More...
Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock HALFWIDTH_AND_FULLWIDTH_FORMS
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 5
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() Yes
Character.isLetter() Yes
Character.isLetterOrDigit() Yes
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() Yes
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No