最全的HTML特殊字符集
有些属于utf-8字符集，所以网页需要字符编码是utf-8才能显示全部字符。
下面是来自不同的源，所以难免有重复的地方。
| left single quote | ‘ | ‘ | |
| right single quote | ’ | ’ | |
| single low-9 quote | ‚ | ‚ | |
| left double quote | “ | “ | |
| right double quote | ” | ” | |
| double low-9 quote | „ | „ | |
| dagger | † | † | |
| double dagger | ‡ | ‡ | |
| per mill sign | ‰ | ‰ | |
| single left-pointing angle quote | ‹ | ‹ | |
| single right-pointing angle quote | › | › | |
| black spade suit | ♠ | ♠ | |
| black club suit | ♣ | ♣ | |
| black heart suit | ♥ | ♥ | |
| black diamond suit | ♦ | ♦ | |
| overline, = spacing overscore | ‾ | ‾ | |
| leftward arrow | ← | ← | |
| upward arrow | ↑ | ↑ | |
| rightward arrow | → | → | |
| downward arrow | ↓ | ↓ | |
| trademark sign | ™ | ™ | ™ |
| unused | �-  |
||
| horizontal tab | 	 | ||
| line feed | | ||
| unused |  | ||
| space |   | ||
| exclamation mark | ! | ! | |
| double quotation mark | " | " | " |
| number sign | # | # | |
| dollar sign | $ | $ | |
| percent sign | % | % | |
| ampersand | & | & | & |
| apostrophe | ' | ' | |
| left parenthesis | ( | ( | |
| right parenthesis | ) | ) | |
| asterisk | * | * | |
| plus sign | + | + | |
| comma | , | , | |
| hyphen | - | - | |
| period | . | . | |
| slash | / | ⁄ | / |
| digits 0-9 | 0- 9 |
||
| colon | : | : | |
| semicolon | ; | ; | |
| less-than sign | < | < | < |
| equals sign | = | = | |
| greater-than sign | > | > | > |
| question mark | ? | ? | |
| at sign | @ | @ | |
| uppercase letters A-Z | A- Z |
||
| left square bracket | [ | [ | |
| backslash | \ | \ | |
| right square bracket | ] | ] | |
| caret | ^ | ^ | |
| horizontal bar (underscore) | _ | _ | |
| grave accent | ` | ` | |
| lowercase letters a-z | a- z |
||
| left curly brace | { | { | |
| vertical bar | | | | | |
| right curly brace | } | } | |
| tilde | ~ | ~ | |
| unused | - • |
||
| en dash | – | – | – |
| em dash | — | — | — |
| unused | ˜- Ÿ |
||
| nonbreaking space |   | | |
| inverted exclamation | ¡ | ¡ | ¡ |
| cent sign | ¢ | ¢ | ¢ |
| pound sterling | £ | £ | £ |
| general currency sign | ¤ | ¤ | ¤ |
| yen sign | ¥ | ¥ | ¥ |
| broken vertical bar | ¦ | ¦ or &brkbar; | ¦ |
| section sign | § | § | § |
| umlaut | ¨ | ¨ or ¨ | ¨ |
| copyright | © | © | © |
| feminine ordinal | ª | ª | ª |
| left angle quote | « | « | « |
| not sign | ¬ | ¬ | ¬ |
| soft hyphen | ­ | ­ | |
| registered trademark | ® | ® | ® |
| macron accent | ¯ | ¯ or &hibar; | ¯ |
| degree sign | ° | ° | ° |
| plus or minus | ± | ± | ± |
| superscript two | ² | ² | ² |
| superscript three | ³ | ³ | ³ |
| acute accent | ´ | ´ | ´ |
| micro sign | µ | µ | µ |
| paragraph sign | ¶ | ¶ | ¶ |
| middle dot | · | · | · |
| cedilla | ¸ | ¸ | ¸ |
| superscript one | ¹ | ¹ | ¹ |
| masculine ordinal | º | º | º |
| right angle quote | » | » | » |
| one-fourth | ¼ | ¼ | ¼ |
| one-half | ½ | ½ | ½ |
| three-fourths | ¾ | ¾ | ¾ |
| inverted question mark | ¿ | ¿ | ¿ |
| uppercase A, grave accent | À | À | À |
| uppercase A, acute accent | Á | Á | Á |
| uppercase A, circumflex accent | Â | Â | Â |
| uppercase A, tilde | Ã | Ã | Ã |
| uppercase A, umlaut | Ä | Ä | Ä |
| uppercase A, ring | Å | Å | Å |
| uppercase AE | Æ | Æ | Æ |
| uppercase C, cedilla | Ç | Ç | Ç |
| uppercase E, grave accent | È | È | È |
| uppercase E, acute accent | É | É | É |
| uppercase E, circumflex accent | Ê | Ê | Ê |
| uppercase E, umlaut | Ë | Ë | Ë |
| uppercase I, grave accent | Ì | Ì | Ì |
| uppercase I, acute accent | Í | Í | Í |
| uppercase I, circumflex accent | Î | Î | Î |
| uppercase I, umlaut | Ï | Ï | Ï |
| uppercase Eth, Icelandic | Ð | Ð | Ð |
| uppercase N, tilde | Ñ | Ñ | Ñ |
| uppercase O, grave accent | Ò | Ò | Ò |
| uppercase O, acute accent | Ó | Ó | Ó |
| uppercase O, circumflex accent | Ô | Ô | Ô |
| uppercase O, tilde | Õ | Õ | Õ |
| uppercase O, umlaut | Ö | Ö | Ö |
| multiplication sign | × | × | × |
| uppercase O, slash | Ø | Ø | Ø |
| uppercase U, grave accent | Ù | Ù | Ù |
| uppercase U, acute accent | Ú | Ú | Ú |
| uppercase U, circumflex accent | Û | Û | Û |
| uppercase U, umlaut | Ü | Ü | Ü |
| uppercase Y, acute accent | Ý | Ý | Ý |
| uppercase THORN, Icelandic | Þ | Þ | Þ |
| lowercase sharps, German | ß | ß | ß |
| lowercase a, grave accent | à | à | à |
| lowercase a, acute accent | á | á | á |
| lowercase a, circumflex accent | â | â | â |
| lowercase a, tilde | ã | ã | ã |
| lowercase a, umlaut | ä | ä | ä |
| lowercase a, ring | å | å | å |
| lowercase ae | æ | æ | æ |
| lowercase c, cedilla | ç | ç | ç |
| lowercase e, grave accent | è | è | è |
| lowercase e, acute accent | é | é | é |
| lowercase e, circumflex accent | ê | ê | ê |
| lowercase e, umlaut | ë | ë | ë |
| lowercase i, grave accent | ì | ì | ì |
| lowercase i, acute accent | í | í | í |
| lowercase i, circumflex accent | î | î | î |
| lowercase i, umlaut | ï | ï | ï |
| lowercase eth, Icelandic | ð | ð | ð |
| lowercase n, tilde | ñ | ñ | ñ |
| lowercase o, grave accent | ò | ò | ò |
| lowercase o, acute accent | ó | ó | ó |
| lowercase o, circumflex accent | ô | ô | ô |
| lowercase o, tilde | õ | õ | õ |
| lowercase o, umlaut | ö | ö | ö |
| division sign | ÷ | ÷ | ÷ |
| lowercase o, slash | ø | ø | ø |
| lowercase u, grave accent | ù | ù | ù |
| lowercase u, acute accent | ú | ú | ú |
| lowercase u, circumflex accent | û | û | û |
| lowercase u, umlaut | ü | ü | ü |
| lowercase y, acute accent | ý | ý | ý |
| lowercase thorn, Icelandic | þ | þ | þ |
| lowercase y, umlaut | ÿ | ÿ | ÿ |
| Alpha | Α | Α | |
| alpha | α | α | |
| Beta | Β | Β | |
| beta | β | β | |
| Gamma | Γ | Γ | |
| gamma | γ | γ | |
| Delta | Δ | Δ | |
| delta | δ | δ | |
| Epsilon | Ε | Ε | |
| epsilon | ε | ε | |
| Zeta | Ζ | Ζ | |
| zeta | ζ | ζ | |
| Eta | Η | Η | |
| eta | η | η | |
| Theta | Θ | Θ | |
| theta | θ | θ | |
| Iota | Ι | Ι | |
| iota | ι | ι | |
| Kappa | Κ | Κ | |
| kappa | κ | κ | |
| Lambda | Λ | Λ | |
| lambda | λ | λ | |
| Mu | Μ | Μ | |
| mu | μ | μ | |
| Nu | Ν | Ν | |
| nu | ν | ν | |
| Xi | Ξ | Ξ | |
| xi | ξ | ξ | |
| Omicron | Ο | Ο | |
| omicron | ο | ο | |
| Pi | Π | Π | |
| pi | π | π | |
| Rho | Ρ | Ρ | |
| rho | ρ | ρ | |
| Sigma | Σ | Σ | |
| sigma | σ | σ | |
| Tau | Τ | Τ | |
| tau | τ | τ | |
| Upsilon | Υ | Υ | |
| upsilon | υ | υ | |
| Phi | Φ | Φ | |
| phi | φ | φ | |
| Chi | Χ | Χ | |
| chi | χ | χ | |
| Psi | Ψ | Ψ | |
| psi | ψ | ψ | |
| Omega | Ω | Ω | |
| omega | ω | ω | |
| password dot | ● | ● |
