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
𽷃 253379 ● 0x3DDC3 ● ‘𽷃’ ● UTF8: 0xF0 0xBD 0xB7 0x83

Plane: 0x3 ● Page: 0xDD ● Byte: 0x3DDC3

Unicode Plane
0 1 2 3 4 5 6 7 8 9 A B C D E F 10
Unicode Page in Plane: 3
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: 0x3 ● Page: 0xDD
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 𽴀 𽴁 𽴂 𽴃 𽴄 𽴅 𽴆 𽴇 𽴈 𽴉 𽴊 𽴋 𽴌 𽴍 𽴎 𽴏
10 𽴐 𽴑 𽴒 𽴓 𽴔 𽴕 𽴖 𽴗 𽴘 𽴙 𽴚 𽴛 𽴜 𽴝 𽴞 𽴟
20 𽴠 𽴡 𽴢 𽴣 𽴤 𽴥 𽴦 𽴧 𽴨 𽴩 𽴪 𽴫 𽴬 𽴭 𽴮 𽴯
30 𽴰 𽴱 𽴲 𽴳 𽴴 𽴵 𽴶 𽴷 𽴸 𽴹 𽴺 𽴻 𽴼 𽴽 𽴾 𽴿
40 𽵀 𽵁 𽵂 𽵃 𽵄 𽵅 𽵆 𽵇 𽵈 𽵉 𽵊 𽵋 𽵌 𽵍 𽵎 𽵏
50 𽵐 𽵑 𽵒 𽵓 𽵔 𽵕 𽵖 𽵗 𽵘 𽵙 𽵚 𽵛 𽵜 𽵝 𽵞 𽵟
60 𽵠 𽵡 𽵢 𽵣 𽵤 𽵥 𽵦 𽵧 𽵨 𽵩 𽵪 𽵫 𽵬 𽵭 𽵮 𽵯
70 𽵰 𽵱 𽵲 𽵳 𽵴 𽵵 𽵶 𽵷 𽵸 𽵹 𽵺 𽵻 𽵼 𽵽 𽵾 𽵿
80 𽶀 𽶁 𽶂 𽶃 𽶄 𽶅 𽶆 𽶇 𽶈 𽶉 𽶊 𽶋 𽶌 𽶍 𽶎 𽶏
90 𽶐 𽶑 𽶒 𽶓 𽶔 𽶕 𽶖 𽶗 𽶘 𽶙 𽶚 𽶛 𽶜 𽶝 𽶞 𽶟
A0 𽶠 𽶡 𽶢 𽶣 𽶤 𽶥 𽶦 𽶧 𽶨 𽶩 𽶪 𽶫 𽶬 𽶭 𽶮 𽶯
B0 𽶰 𽶱 𽶲 𽶳 𽶴 𽶵 𽶶 𽶷 𽶸 𽶹 𽶺 𽶻 𽶼 𽶽 𽶾 𽶿
C0 𽷀 𽷁 𽷂 𽷃 𽷄 𽷅 𽷆 𽷇 𽷈 𽷉 𽷊 𽷋 𽷌 𽷍 𽷎 𽷏
D0 𽷐 𽷑 𽷒 𽷓 𽷔 𽷕 𽷖 𽷗 𽷘 𽷙 𽷚 𽷛 𽷜 𽷝 𽷞 𽷟
E0 𽷠 𽷡 𽷢 𽷣 𽷤 𽷥 𽷦 𽷧 𽷨 𽷩 𽷪 𽷫 𽷬 𽷭 𽷮 𽷯
F0 𽷰 𽷱 𽷲 𽷳 𽷴 𽷵 𽷶 𽷷 𽷸 𽷹 𽷺 𽷻 𽷼 𽷽 𽷾 𽷿
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))