This is a complete list of some if not all of the hmlt special characters code and their explanation
Friendly Code Numerical Code Numerical Code Hex Description
  	   Horizontal Tab
  
   Line feed
    20 space
  ! ! 21 Exclamation point
" " " 22 Double quote
  # # 23 Number sign
  $ $ 24 Dollar sign
  % % 25 Percent sign
& & & 26 #38ersand (and sign)
  ' ' 27 Single quote
  ( ( 28 Left parenthesis
  ) ) 29 Right parenthesis
  * * 2A Asterisk (star)
  + + 2B Plus
  , , 2C Comma
  - - 2D Minus (hyphen)
  . . 2E Period
  / / 2F Forward slash
  0 0 30 Zero
  1 1 31 One
  2 2 32 Two
  3 3 33 Three
  4 4 34 Four
  5 5 35 Five
  6 6 36 Six
  7 7 37 Seven
  8 8 38 Eight
  9 9 39 Nine
  : : 3A Colon
  &#59; ; 3B Semi-colon
&lt; &#60; < 3C Less-than sign
  &#61; = 3D Equal sign
&gt; &#62; > 3E Greater-than sign
  &#63; ? 3F Question mark
  &#64; @ 40 At-sign
  &#65; A 41 Capital a
  &#66; B 42 Capital b
  &#67; C 43 Capital c
  &#68; D 44 Capital d
  &#69; E 45 Capital e
  &#70; F 46 Capital f
  &#71; G 47 Capital g
  &#72; H 48 Capital h
  &#73; I 49 Capital i
  &#74; J 4A Capital j
  &#75; K 4B Capital k
  &#76; L 4C Capital l
  &#77; M 4D Capital m
  &#78; N 4E Capital n
  &#79; O 4F Capital o
  &#80; P 50 Capital p
  &#81; Q 51 Capital q
  &#82; R 52 Capital r
  &#83; S 53 Capital s
  &#84; T 54 Capital t
  &#85; U 55 Capital u
  &#86; V 56 Capital v
  &#87; W 57 Capital w
  &#88; X 58 Capital x
  &#89; Y 59 Capital y
  &#90; Z 5A Capital z
  &#91; [ 5B Left square bracket
  &#92; \ 5C Back slash
  &#93; ] 5D Right square bracket
  &#94; ^ 5E Caret
  &#95; _ 5F Underscore
  &#96; ` 60 Grave accent
  &#97; a 61 Lowercase a
  &#98; b 62 Lowercase b
  &#99; c 63 Lowercase c
  &#100; d 64 Lowercase d
  &#101; e 65 Lowercase e
  &#102; f 66 Lowercase f
  &#103; g 67 Lowercase g
  &#104; h 68 Lowercase h
  &#105; i 69 Lowercase i
  &#106; j 6A Lowercase j
  &#107; k 6B Lowercase k
  &#108; l 6C Lowercase l
  &#109; m 6D Lowercase m
  &#110; n 6E Lowercase n
  &#111; o 6F Lowercase o
  &#112; p 70 Lowercase p
  &#113; q 71 Lowercase q
  &#114; r 72 Lowercase r
  &#115; s 73 Lowercase s
  &#116; t 74 Lowercase t
  &#117; u 75 Lowercase u
  &#118; v 76 Lowercase v
  &#119; w 77 Lowercase w
  &#120; x 78 Lowercase x
  &#121; y 79 Lowercase y
  &#122; z 7A Lowercase z
  &#123; { 7B Left curly brace
  &#124; | 7C Vertical bar
  &#125; } 7D Right curly brace
&tilde; &#126; ~ 7E tilde
  &#127;  7F Not defined
  &#128; € 20AC Euro
  &#129;    Unknown
&sbquo; &#130; ‚ 201A Single low-quote
  &#131; ƒ 192 Function symbol (lowercase f with hook)
&dbquo; &#132; „ 201E Double low-quote
  &#133; … 2026 Elipsis
&dagger; &#134; † 2020 Dagger
&Dagger; &#135; ‡ 2021 Double dagger
  &#136; ˆ   Hatchek
&permil; &#137; ‰ 2030 Per million symbol
  &#138; Š 160 Capital esh
&lsaquo; &#139; ‹   Left single angle quote
  &#140; Œ 152 OE ligature
  &#141;    Unknown
  &#142; Ž   Capital ž
  &#143;    Unknown
  &#144;    Unknown
&lsquo; &#145; ‘ 2018 Left single-quote
&rsquo; &#146; ’ 2019 Right single-quote
&ldquo; &#147; “ 201C Left double-quote
&rdquo; &#148; ” 201D Right double-quote
  &#149; • 2022 Small bullet
&ndash; &#150; – 2013 En dash
&mdash; &#151; — 2014 Em dash
&tilde &#152; ˜   Tilde
&trade; &#153; ™ 2122 Trademark
  &#154; š 161 Lowercase esh
&rsaquo; &#155; ›   Right single angle quote
  &#156; œ 153 oe ligature
  &#157;    Unknown
  &#158; ž   Lowercase ž
&Yuml; &#159; Ÿ 178 Uppercase y-umlaut
&#160; &#160;   A0 Non-breaking space
&iexcl; &#161; ¡ A1 Inverted exclamation point
&cent; &#162; ¢ A2 Cent
&pound; &#163; £ A3 Pound currency sign
&curren; &#164; ¤ A4 Currency sign
&yen; &#165; ¥ A5 Yen currency sign
&brvbar; &#166; ¦ A6 Broken vertical bar
&sect; &#167; § A7 Section symbol
&uml; &#168; ¨ A8 Umlaut (Diaeresis)
&copy; &#169; © A9 Copyright
&ordf; &#170; ª AA Feminine ordinal indicator (superscript lowercase a)
&laquo; &#171; « AB Left angle quote
&not; &#172; ¬ AC Not sign
&shy; &#173; ­ AD Soft hyphen
&reg; &#174; ® AE Registered sign
&macr; &#175; ¯ AF Macron
&deg; &#176; ° B0 Degree sign
&plusmn; &#177; ± B1 Plus/minus sign
&sup2; &#178; ² B2 Superscript 2
&sup3; &#179; ³ B3 Superscript 3
  &#180; ´ B4 Acute accent
&micro; &#181; µ B5 Micro sign
&para; &#182; B6 Pilcrow sign (paragraph)
&middot; &#183; · B7 Middle dot
&cedil; &#184; ¸ B8 Cedilla
&sup1; &#185; ¹ B9 Superscript 1
&ordm; &#186; º BA Masculine ordinal indicator (superscript o)
&raquo; &#187; » BB Right angle quote
&frac14; &#188; ¼ BC One quarter fraction
&frac12; &#189; ½ BD One half fraction
&frac34; &#190; ¾ BE Three quarters fraction
¿ &#191; ¿ BF Inverted question mark
&Agrave; &#192; À C0 A grave accent
&Aacute; &#193; Á C1 A accute accent
&Acirc; &#194; Â C2 A circumflex
&Atilde; &#195; Ã C3 A tilde
&Auml; &#196; Ä C4 A umlaut
&Aring; &#197; Å C5 A ring
&AElig; &#198; Æ C6 AE ligature
&Ccedil; &#199; Ç C7 C cedilla
&Egrave; &#200; È C8 E grave
&Eacute; &#201; É C9 E acute
&Ecirc; &#202; Ê CA E circumflex
&Euml; &#203; Ë CB E umlaut
&Igrave; &#204; Ì CC I grave
&Iacute; &#205; Í CD I acute
&Icirc; &#206; Î CE I circumflex
&Iuml; &#207; Ï CF I umlaut
&ETH; &#208; Ð D0 Eth
&Ntilde; &#209; Ñ D1 N tilde (enye)
&Ograve; &#210; Ò D2 O grave
&Oacute; &#211; Ó D3 O acute
&Ocirc; &#212; Ô D4 O circumflex
&Otilde; &#213; Õ D5 O tilde
&Ouml; &#214; Ö D6 O umlaut
&times; &#215; × D7 Multiplication sign
&Oslash; &#216; Ø D8 O slash
&Ugrave; &#217; Ù D9 U grave
&Uacute; &#218; Ú DA U acute
&Ucirc; &#219; Û DB U circumflex
&Uuml; &#220; Ü DC U umlaut
&Yacute; &#221; Ý DD Y acute
&THORN; &#222; Þ DE Thorn
&szlig; &#223; ß DF SZ ligature
&agrave; &#224; à E0 a grave
&aacute; &#225; á E1 a acute
&acirc; &#226; â E2 a circumflex
&atilde; &#227; ã E3 a tilde
&auml; &#228; ä E4 a umlaut
&aring; &#229; å E5 a ring
&aelig; &#230; æ E6 ae ligature
&ccedil; &#231; ç E7 c cedilla
&egrave; &#232; è E8 e grave
&eacute; &#233; é E9 e acute
&ecirc; &#234; ê EA e circumflex
&euml; &#235; ë EB e umlaut
&igrave; &#236; ì EC i grave
&iacute; &#237; í ED i acute
&icirc; &#238; î EE i circumflex
&iuml; &#239; ï EF i umlaut
&eth; &#240; ð F0 eth
&ntilde; &#241; ñ F1 n tilde
&ograve; &#242; ò F2 o grave
&oacute; &#243; ó F3 o acute
&ocirc; &#244; ô F4 o circumflex
&otilde; &#245; õ F5 o tilde
&ouml; &#246; ö F6 o umlaut
&divide; &#247; ÷ F7 Division symbol
&oslash; &#248; ø F8 o slash
&ugrave; &#249; ù F9 u grave
&uacute; &#250; ú FA u acute
&ucirc; &#251; û FB u circumflex
&uuml; &#252; ü FC u umlaut
&yacute; &#253; ý FD y acute
&thorn; &#254; þ FE thorn
&yuml; &#255; ÿ FF y umlaut