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
𨀀 163840 ● 0x28000 ● ‘𨀀’ ● UTF8: 0xF0 0xA8 0x80 0x80

Plane: 0x2 ● Page: 0x80 ● Byte: 0x28000

Unicode Plane
0 1 2 3 4 5 6 7 8 9 A B C D E F 10
Unicode Page in Plane: 2
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: 0x2 ● Page: 0x80
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 𨀀 𨀁 𨀂 𨀃 𨀄 𨀅 𨀆 𨀇 𨀈 𨀉 𨀊 𨀋 𨀌 𨀍 𨀎 𨀏
10 𨀐 𨀑 𨀒 𨀓 𨀔 𨀕 𨀖 𨀗 𨀘 𨀙 𨀚 𨀛 𨀜 𨀝 𨀞 𨀟
20 𨀠 𨀡 𨀢 𨀣 𨀤 𨀥 𨀦 𨀧 𨀨 𨀩 𨀪 𨀫 𨀬 𨀭 𨀮 𨀯
30 𨀰 𨀱 𨀲 𨀳 𨀴 𨀵 𨀶 𨀷 𨀸 𨀹 𨀺 𨀻 𨀼 𨀽 𨀾 𨀿
40 𨁀 𨁁 𨁂 𨁃 𨁄 𨁅 𨁆 𨁇 𨁈 𨁉 𨁊 𨁋 𨁌 𨁍 𨁎 𨁏
50 𨁐 𨁑 𨁒 𨁓 𨁔 𨁕 𨁖 𨁗 𨁘 𨁙 𨁚 𨁛 𨁜 𨁝 𨁞 𨁟
60 𨁠 𨁡 𨁢 𨁣 𨁤 𨁥 𨁦 𨁧 𨁨 𨁩 𨁪 𨁫 𨁬 𨁭 𨁮 𨁯
70 𨁰 𨁱 𨁲 𨁳 𨁴 𨁵 𨁶 𨁷 𨁸 𨁹 𨁺 𨁻 𨁼 𨁽 𨁾 𨁿
80 𨂀 𨂁 𨂂 𨂃 𨂄 𨂅 𨂆 𨂇 𨂈 𨂉 𨂊 𨂋 𨂌 𨂍 𨂎 𨂏
90 𨂐 𨂑 𨂒 𨂓 𨂔 𨂕 𨂖 𨂗 𨂘 𨂙 𨂚 𨂛 𨂜 𨂝 𨂞 𨂟
A0 𨂠 𨂡 𨂢 𨂣 𨂤 𨂥 𨂦 𨂧 𨂨 𨂩 𨂪 𨂫 𨂬 𨂭 𨂮 𨂯
B0 𨂰 𨂱 𨂲 𨂳 𨂴 𨂵 𨂶 𨂷 𨂸 𨂹 𨂺 𨂻 𨂼 𨂽 𨂾 𨂿
C0 𨃀 𨃁 𨃂 𨃃 𨃄 𨃅 𨃆 𨃇 𨃈 𨃉 𨃊 𨃋 𨃌 𨃍 𨃎 𨃏
D0 𨃐 𨃑 𨃒 𨃓 𨃔 𨃕 𨃖 𨃗 𨃘 𨃙 𨃚 𨃛 𨃜 𨃝 𨃞 𨃟
E0 𨃠 𨃡 𨃢 𨃣 𨃤 𨃥 𨃦 𨃧 𨃨 𨃩 𨃪 𨃫 𨃬 𨃭 𨃮 𨃯
F0 𨃰 𨃱 𨃲 𨃳 𨃴 𨃵 𨃶 𨃷 𨃸 𨃹 𨃺 𨃻 𨃼 𨃽 𨃾 𨃿
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))