Naming Conventions
Characters Host Segment HTTP Token Note
A-Z, a-z, 0-9 Key Key Key
‘!’ (0x21) illegal Version reserved
‘"’ (0x22) illegal illegal illegal
‘#’ (0x23) illegal illegal reserved URL Fragment
‘$’ (0x24) illegal reserved reserved
‘%’ (0x25) escape escape escape Percent encode 2 hex digits
‘&’ (0x26) illegal reserved reserved URL Query separator
‘'’ (0x27) illegal reserved reserved
‘(’ (0x28) illegal reserved illegal old suffix - remove
‘)’ (0x29) illegal reserved illegal
‘*’ (0x2A) illegal reserved reserved
‘+’ (0x2B) illegal Number Number Segment Number
‘,’ (0x2C) illegal Part illegal Segment Part separator
‘-’ (0x2D) Key Time Time Segment Time: -YYYY-MM-DD-HH-MM-SS
‘.’ (0x2E) Separator Extension reserved URL Extension separator in first Segment
‘/’ (0x2F) illegal Separator illegal Segment separator in Path
‘:’ (0x3A) illegal reserved illegal
‘;’ (0x3B) illegal Fluff illegal Ignore until ‘.’
‘<’ (0x3C) illegal illegal illegal
‘=’ (0x3D) illegal reserved illegal
‘>’ (0x3E) illegal illegal illegal
‘?’ (0x3F) illegal Query illegal
‘[’ (0x5B) illegal illegal illegal
‘\’ (0x5C) illegal illegal illegal
‘]’ (0x5D) illegal illegal illegal
‘^’ (0x5E) illegal illegal reserved
‘_’ (0x5F) illegal Key Key
‘7B) illegal illegal illegal
‘|’ (0x7C) illegal illegal reserved
‘}’ (0x7D) illegal illegal illegal
‘~’ (0x7E) illegal Suffix Suffix Suffix until ‘.’, ‘=’, WS
‘DEL’ (0x7F) illegal illegal illegal
The Kozlowski FamilyKozlowski
𒀀 73728 ● 0x12000 ● ‘𒀀’ ● UTF8: 0xF0 0x92 0x80 0x80

Plane: 0x1 ● Page: 0x20 ● Byte: 0x12000

Unicode Plane
0 1 2 3 4 5 6 7 8 9 A B C D E F 10
Unicode Page in Plane: 1
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF
Unicode ● Plane: 0x1 ● Page: 0x20
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 𒀀 𒀁 𒀂 𒀃 𒀄 𒀅 𒀆 𒀇 𒀈 𒀉 𒀊 𒀋 𒀌 𒀍 𒀎 𒀏
10 𒀐 𒀑 𒀒 𒀓 𒀔 𒀕 𒀖 𒀗 𒀘 𒀙 𒀚 𒀛 𒀜 𒀝 𒀞 𒀟
20 𒀠 𒀡 𒀢 𒀣 𒀤 𒀥 𒀦 𒀧 𒀨 𒀩 𒀪 𒀫 𒀬 𒀭 𒀮 𒀯
30 𒀰 𒀱 𒀲 𒀳 𒀴 𒀵 𒀶 𒀷 𒀸 𒀹 𒀺 𒀻 𒀼 𒀽 𒀾 𒀿
40 𒁀 𒁁 𒁂 𒁃 𒁄 𒁅 𒁆 𒁇 𒁈 𒁉 𒁊 𒁋 𒁌 𒁍 𒁎 𒁏
50 𒁐 𒁑 𒁒 𒁓 𒁔 𒁕 𒁖 𒁗 𒁘 𒁙 𒁚 𒁛 𒁜 𒁝 𒁞 𒁟
60 𒁠 𒁡 𒁢 𒁣 𒁤 𒁥 𒁦 𒁧 𒁨 𒁩 𒁪 𒁫 𒁬 𒁭 𒁮 𒁯
70 𒁰 𒁱 𒁲 𒁳 𒁴 𒁵 𒁶 𒁷 𒁸 𒁹 𒁺 𒁻 𒁼 𒁽 𒁾 𒁿
80 𒂀 𒂁 𒂂 𒂃 𒂄 𒂅 𒂆 𒂇 𒂈 𒂉 𒂊 𒂋 𒂌 𒂍 𒂎 𒂏
90 𒂐 𒂑 𒂒 𒂓 𒂔 𒂕 𒂖 𒂗 𒂘 𒂙 𒂚 𒂛 𒂜 𒂝 𒂞 𒂟
A0 𒂠 𒂡 𒂢 𒂣 𒂤 𒂥 𒂦 𒂧 𒂨 𒂩 𒂪 𒂫 𒂬 𒂭 𒂮 𒂯
B0 𒂰 𒂱 𒂲 𒂳 𒂴 𒂵 𒂶 𒂷 𒂸 𒂹 𒂺 𒂻 𒂼 𒂽 𒂾 𒂿
C0 𒃀 𒃁 𒃂 𒃃 𒃄 𒃅 𒃆 𒃇 𒃈 𒃉 𒃊 𒃋 𒃌 𒃍 𒃎 𒃏
D0 𒃐 𒃑 𒃒 𒃓 𒃔 𒃕 𒃖 𒃗 𒃘 𒃙 𒃚 𒃛 𒃜 𒃝 𒃞 𒃟
E0 𒃠 𒃡 𒃢 𒃣 𒃤 𒃥 𒃦 𒃧 𒃨 𒃩 𒃪 𒃫 𒃬 𒃭 𒃮 𒃯
F0 𒃰 𒃱 𒃲 𒃳 𒃴 𒃵 𒃶 𒃷 𒃸 𒃹 𒃺 𒃻 𒃼 𒃽 𒃾 𒃿
Unicode Charater Flags
Name Value
Flag: Alpha ASCII letter (‘A’-‘Z’, ‘a’-‘z’)
Flag: Alphanumeric ASCII letter or digit (‘0’-‘9’, ‘A’-‘Z’, ‘a’-‘z’)
Flag: Digit ASCII digit (‘0’-‘9’)
Flag: Domain Domain (‘-’, ‘0’-‘9’, ‘A’-‘Z’, ‘a’-‘z’, extended)
Flag: HTTP_Separator HTTP_Separator (HT (0x09)), SP (0x20), ‘'(),/:;<=>?@[\]’)
Flag: HTTP_Token HTTP_Token (‘!#$%&"*+-.^_`|~’, Digit, Alpha)
Flag: HTTP_Whitespace HTTP_Whitespace (‘ ’ (0x20), HT (0x09))
Flag: Part Part (‘0’-‘9’, Alpha, ‘@’, ‘_’, extended)
Flag: URL_Query URL_Query (‘!$%&'()*+,-./:;=?@_~’, Digit, Alpha)
Flag: URL_Scheme URL_Scheme (‘+-.’, Digit, Alpha)
Flag: URL_Segment URL_Segment (‘!$%&'()*+,-.:;=@_~’, Digit, Alpha)
Flag: URL_SubDelim URL_SubDelim (‘!$&'()*+,;=’)
Flag: URL_Unreserved URL_Unreserved (‘-._~’, Digit, Alpha)
Flag: XML_Key Element Tag or Attribute Key (XML_Start, ‘-’, ‘.’, ‘0’-‘9’)
Flag: XML_Start Element Tag or Attribute Key first (‘:’, ‘A’-‘Z’, ‘_’, ‘a’-‘z’)
Flag: XML_Whitespace (‘ ’ (0x20), HT (0x09), LF (0x0A), CR (0x0D))