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
𿶤 261540 ● 0x3FDA4 ● ‘𿶤’ ● UTF8: 0xF0 0xBF 0xB6 0xA4

Plane: 0x3 ● Page: 0xFD ● Byte: 0x3FDA4

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: 0xFD
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))