xml html entity 列表
| Name | Character | Unicode code point (decimal) | Standard | Description |
|---|---|---|---|---|
| quot | " | U+0022 (34) | XML 1.0 | double quotation mark |
| amp | & | U+0026 (38) | XML 1.0 | ampersand |
| apos | ' | U+0027 (39) | XML 1.0 | apostrophe (apostrophe-quote) |
| lt | < | U+003C (60) | XML 1.0 | less-than sign |
| gt | > | U+003E (62) | XML 1.0 | greater-than sign |
| Name | Character | Unicode code point (decimal) | Standard | DTD[a] | Old ISO subset[b] | Description[c] |
|---|---|---|---|---|---|---|
| Aacute | Á | U+00C1 (193) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter A with acute accent |
| aacute | á | U+00E1 (225) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter a with acute accent |
| Acirc | Â | U+00C2 (194) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter A with circumflex |
| acirc | â | U+00E2 (226) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter a with circumflex |
| acute | ´ | U+00B4 (180) | HTML 3.2 | HTMLlat1 | ISOdia | acute accent (spacing acute) |
| AElig | Æ | U+00C6 (198) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter AE (Latin capital ligature AE) |
| aelig | æ | U+00E6 (230) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter ae (Latin small ligature ae) |
| Agrave | À | U+00C0 (192) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter A with grave accent (Latin capital letter A grave) |
| agrave | à | U+00E0 (224) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter a with grave accent |
| alefsym | ℵ | U+2135 (8501) | HTML 4.0 | HTMLsymbol | NEW | alef symbol (first transfinite cardinal)[h] |
| Alpha | Α | U+0391 (913) | HTML 4.0 | HTMLsymbol | Greek capital letter Alpha | |
| alpha | α | U+03B1 (945) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter alpha |
| amp | & | U+0026 (38) | HTML 2.0 | HTMLspecial | ISOnum | ampersand |
| and | ∧ | U+2227 (8743) | HTML 4.0 | HTMLsymbol | ISOtech | logical and (wedge) |
| ang | ∠ | U+2220 (8736) | HTML 4.0 | HTMLsymbol | ISOamso | angle |
| apos | ' | U+0027 (39) | XHTML 1.0 | HTMLspecial | ISOnum | apostrophe (apostrophe-quote); see below |
| Aring | Å | U+00C5 (197) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter A with ring above (Latin capital letter A ring) |
| aring | å | U+00E5 (229) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter a with ring above |
| asymp | ≈ | U+2248 (8776) | HTML 4.0 | HTMLsymbol | ISOamsr | almost equal to (asymptotic to) |
| Atilde | Ã | U+00C3 (195) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter A with tilde |
| atilde | ã | U+00E3 (227) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter a with tilde |
| Auml | Ä | U+00C4 (196) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter A with diaeresis |
| auml | ä | U+00E4 (228) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter a with diaeresis |
| bdquo | „ | U+201E (8222) | HTML 4.0 | HTMLspecial | NEW | double low-9 quotation mark |
| Beta | Β | U+0392 (914) | HTML 4.0 | HTMLsymbol | Greek capital letter Beta | |
| beta | β | U+03B2 (946) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter beta |
| brvbar | ¦ | U+00A6 (166) | HTML 3.2 | HTMLlat1 | ISOnum | broken bar (broken vertical bar) |
| bull | • | U+2022 (8226) | HTML 4.0 | HTMLspecial | ISOpub | bullet (black small circle)[f] |
| cap | ∩ | U+2229 (8745) | HTML 4.0 | HTMLsymbol | ISOtech | intersection (cap) |
| Ccedil | Ç | U+00C7 (199) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter C with cedilla |
| ccedil | ç | U+00E7 (231) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter c with cedilla |
| cedil | ¸ | U+00B8 (184) | HTML 3.2 | HTMLlat1 | ISOdia | cedilla (spacing cedilla) |
| cent | ¢ | U+00A2 (162) | HTML 3.2 | HTMLlat1 | ISOnum | cent sign |
| Chi | Χ | U+03A7 (935) | HTML 4.0 | HTMLsymbol | Greek capital letter Chi | |
| chi | χ | U+03C7 (967) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter chi |
| circ | ˆ | U+02C6 (710) | HTML 4.0 | HTMLspecial | ISOpub | modifier letter circumflex accent |
| clubs | ♣ | U+2663 (9827) | HTML 4.0 | HTMLsymbol | ISOpub | black club suit (shamrock)[f] |
| cong | ≅ | U+2245 (8773) | HTML 4.0 | HTMLsymbol | ISOtech | congruent to |
| copy | © | U+00A9 (169) | HTML 3.2 | HTMLlat1 | ISOnum | copyright symbol |
| crarr | ↵ | U+21B5 (8629) | HTML 4.0 | HTMLsymbol | NEW | downwards arrow with corner leftwards (carriage return) |
| cup | ∪ | U+222A (8746) | HTML 4.0 | HTMLsymbol | ISOtech | union (cup) |
| curren | ¤ | U+00A4 (164) | HTML 3.2 | HTMLlat1 | ISOnum | currency sign |
| dagger | † | U+2020 (8224) | HTML 4.0 | HTMLspecial | ISOpub | dagger, obelisk |
| Dagger | ‡ | U+2021 (8225) | HTML 4.0 | HTMLspecial | ISOpub | double dagger, double obelisk |
| darr | ↓ | U+2193 (8595) | HTML 4.0 | HTMLsymbol | ISOnum | downwards arrow |
| dArr | ⇓ | U+21D3 (8659) | HTML 4.0 | HTMLsymbol | ISOamsa | downwards double arrow |
| deg | ° | U+00B0 (176) | HTML 3.2 | HTMLlat1 | ISOnum | degree symbol |
| Delta | Δ | U+0394 (916) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Delta |
| delta | δ | U+03B4 (948) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter delta |
| diams | ♦ | U+2666 (9830) | HTML 4.0 | HTMLsymbol | ISOpub | black diamond suit[f] |
| divide | ÷ | U+00F7 (247) | HTML 3.2 | HTMLlat1 | ISOnum | division sign (obelus) |
| Eacute | É | U+00C9 (201) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter E with acute accent |
| eacute | é | U+00E9 (233) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter e with acute accent |
| Ecirc | Ê | U+00CA (202) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter E with circumflex |
| ecirc | ê | U+00EA (234) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter e with circumflex |
| Egrave | È | U+00C8 (200) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter E with grave accent |
| egrave | è | U+00E8 (232) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter e with grave accent |
| empty | ∅ | U+2205 (8709) | HTML 4.0 | HTMLsymbol | ISOamso | empty set (null set); see also U+8960, ⌀ |
| emsp | U+2003 (8195) | HTML 4.0 | HTMLspecial | ISOpub | em space[d] | |
| ensp | U+2002 (8194) | HTML 4.0 | HTMLspecial | ISOpub | en space[d] | |
| Epsilon | Ε | U+0395 (917) | HTML 4.0 | HTMLsymbol | Greek capital letter Epsilon | |
| epsilon | ε | U+03B5 (949) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter epsilon |
| equiv | ≡ | U+2261 (8801) | HTML 4.0 | HTMLsymbol | ISOtech | identical to; sometimes used for 'equivalent to' |
| Eta | Η | U+0397 (919) | HTML 4.0 | HTMLsymbol | Greek capital letter Eta | |
| eta | η | U+03B7 (951) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter eta |
| ETH | Ð | U+00D0 (208) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter Eth |
| eth | ð | U+00F0 (240) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter eth |
| Euml | Ë | U+00CB (203) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter E with diaeresis |
| euml | ë | U+00EB (235) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter e with diaeresis |
| euro | € | U+20AC (8364) | HTML 4.0 | HTMLspecial | NEW | euro sign |
| exist | ∃ | U+2203 (8707) | HTML 4.0 | HTMLsymbol | ISOtech | there exists |
| fnof | ƒ | U+0192 (402) | HTML 4.0 | HTMLsymbol | ISOtech | Latin small letter f with hook (function, florin) |
| forall | ∀ | U+2200 (8704) | HTML 4.0 | HTMLsymbol | ISOtech | for all |
| frac12 | ½ | U+00BD (189) | HTML 3.2 | HTMLlat1 | ISOnum | vulgar fraction one half (fraction one half) |
| frac14 | ¼ | U+00BC (188) | HTML 3.2 | HTMLlat1 | ISOnum | vulgar fraction one quarter (fraction one quarter) |
| frac34 | ¾ | U+00BE (190) | HTML 3.2 | HTMLlat1 | ISOnum | vulgar fraction three quarters (fraction three quarters) |
| frasl | ⁄ | U+2044 (8260) | HTML 4.0 | HTMLsymbol | NEW | fraction slash (solidus) |
| Gamma | Γ | U+0393 (915) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Gamma |
| gamma | γ | U+03B3 (947) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter gamma |
| ge | ≥ | U+2265 (8805) | HTML 4.0 | HTMLsymbol | ISOtech | greater-than or equal to |
| gt | > | U+003E (62) | HTML 2.0 | HTMLspecial | ISOnum | greater-than sign |
| harr | ↔ | U+2194 (8596) | HTML 4.0 | HTMLsymbol | ISOamsa | left right arrow |
| hArr | ⇔ | U+21D4 (8660) | HTML 4.0 | HTMLsymbol | ISOamsa | left right double arrow |
| hearts | ♥ | U+2665 (9829) | HTML 4.0 | HTMLsymbol | ISOpub | black heart suit (valentine)[f] |
| hellip | … | U+2026 (8230) | HTML 4.0 | HTMLsymbol | ISOpub | horizontal ellipsis (three dot leader) |
| Iacute | Í | U+00CD (205) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter I with acute accent |
| iacute | í | U+00ED (237) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter i with acute accent |
| Icirc | Î | U+00CE (206) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter I with circumflex |
| icirc | î | U+00EE (238) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter i with circumflex |
| iexcl | ¡ | U+00A1 (161) | HTML 3.2 | HTMLlat1 | ISOnum | inverted exclamation mark |
| Igrave | Ì | U+00CC (204) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter I with grave accent |
| igrave | ì | U+00EC (236) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter i with grave accent |
| image | ℑ | U+2111 (8465) | HTML 4.0 | HTMLsymbol | ISOamso | black-letter capital I (imaginary part) |
| infin | ∞ | U+221E (8734) | HTML 4.0 | HTMLsymbol | ISOtech | infinity |
| int | ∫ | U+222B (8747) | HTML 4.0 | HTMLsymbol | ISOtech | integral |
| Iota | Ι | U+0399 (921) | HTML 4.0 | HTMLsymbol | Greek capital letter Iota | |
| iota | ι | U+03B9 (953) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter iota |
| iquest | ¿ | U+00BF (191) | HTML 3.2 | HTMLlat1 | ISOnum | inverted question mark (turned question mark) |
| isin | ∈ | U+2208 (8712) | HTML 4.0 | HTMLsymbol | ISOtech | element of |
| Iuml | Ï | U+00CF (207) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter I with diaeresis |
| iuml | ï | U+00EF (239) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter i with diaeresis |
| Kappa | Κ | U+039A (922) | HTML 4.0 | HTMLsymbol | Greek capital letter Kappa | |
| kappa | κ | U+03BA (954) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter kappa |
| Lambda | Λ | U+039B (923) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Lambda |
| lambda | λ | U+03BB (955) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter lambda |
| lang | ⟨ | U+2329 (9001) | HTML 4.0 | HTMLsymbol | ISOtech | left-pointing angle bracket (bra)[q] |
| laquo | « | U+00AB (171) | HTML 3.2 | HTMLlat1 | ISOnum | left-pointing double angle quotation mark (left pointingguillemet) |
| larr | ← | U+2190 (8592) | HTML 4.0 | HTMLsymbol | ISOnum | leftwards arrow |
| lArr | ⇐ | U+21D0 (8656) | HTML 4.0 | HTMLsymbol | ISOtech | leftwards double arrow[i] |
| lceil | ⌈ | U+2308 (8968) | HTML 4.0 | HTMLsymbol | ISOamsc | left ceiling (APL upstile) |
| ldquo | “ | U+201C (8220) | HTML 4.0 | HTMLspecial | ISOnum | left double quotation mark |
| le | ≤ | U+2264 (8804) | HTML 4.0 | HTMLsymbol | ISOtech | less-than or equal to |
| lfloor | ⌊ | U+230A (8970) | HTML 4.0 | HTMLsymbol | ISOamsc | left floor (APL downstile) |
| lowast | ∗ | U+2217 (8727) | HTML 4.0 | HTMLsymbol | ISOtech | asterisk operator |
| loz | ◊ | U+25CA (9674) | HTML 4.0 | HTMLsymbol | ISOpub | lozenge |
| lrm | U+200E (8206) | HTML 4.0 | HTMLspecial | NEW RFC 2070 | left-to-right mark | |
| lsaquo | ‹ | U+2039 (8249) | HTML 4.0 | HTMLspecial | ISO proposed | single left-pointing angle quotation mark[g] |
| lsquo | ‘ | U+2018 (8216) | HTML 4.0 | HTMLspecial | ISOnum | left single quotation mark |
| lt | < | U+003C (60) | HTML 2.0 | HTMLspecial | ISOnum | less-than sign |
| macr | ¯ | U+00AF (175) | HTML 3.2 | HTMLlat1 | ISOdia | macron (spacing macron, overline, APL overbar) |
| mdash | — | U+2014 (8212) | HTML 4.0 | HTMLspecial | ISOpub | em dash |
| micro | µ | U+00B5 (181) | HTML 3.2 | HTMLlat1 | ISOnum | micro sign |
| middot | · | U+00B7 (183) | HTML 3.2 | HTMLlat1 | ISOnum | middle dot (Georgian comma, Greek middle dot) |
| minus | − | U+2212 (8722) | HTML 4.0 | HTMLsymbol | ISOtech | minus sign |
| Mu | Μ | U+039C (924) | HTML 4.0 | HTMLsymbol | Greek capital letter Mu | |
| mu | μ | U+03BC (956) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter mu |
| nabla | ∇ | U+2207 (8711) | HTML 4.0 | HTMLsymbol | ISOtech | del or nabla (vector differential operator) |
| nbsp | U+00A0 (160) | HTML 3.2 | HTMLlat1 | ISOnum | no-break space (non-breaking space)[d] | |
| ndash | – | U+2013 (8211) | HTML 4.0 | HTMLspecial | ISOpub | en dash |
| ne | ≠ | U+2260 (8800) | HTML 4.0 | HTMLsymbol | ISOtech | not equal to |
| ni | ∋ | U+220B (8715) | HTML 4.0 | HTMLsymbol | ISOtech | contains as member |
| not | ¬ | U+00AC (172) | HTML 3.2 | HTMLlat1 | ISOnum | not sign |
| notin | ∉ | U+2209 (8713) | HTML 4.0 | HTMLsymbol | ISOtech | not an element of |
| nsub | ⊄ | U+2284 (8836) | HTML 4.0 | HTMLsymbol | ISOamsn | not a subset of |
| Ntilde | Ñ | U+00D1 (209) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter N with tilde |
| ntilde | ñ | U+00F1 (241) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter n with tilde |
| Nu | Ν | U+039D (925) | HTML 4.0 | HTMLsymbol | Greek capital letter Nu | |
| nu | ν | U+03BD (957) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter nu |
| Oacute | Ó | U+00D3 (211) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter O with acute accent |
| oacute | ó | U+00F3 (243) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter o with acute accent |
| Ocirc | Ô | U+00D4 (212) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter O with circumflex |
| ocirc | ô | U+00F4 (244) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter o with circumflex |
| OElig | Π| U+0152 (338) | HTML 4.0 | HTMLspecial | ISOlat2 | Latin capital ligature oe[e] |
| oelig | œ | U+0153 (339) | HTML 4.0 | HTMLspecial | ISOlat2 | Latin small ligature oe[e] |
| Ograve | Ò | U+00D2 (210) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter O with grave accent |
| ograve | ò | U+00F2 (242) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter o with grave accent |
| oline | ‾ | U+203E (8254) | HTML 4.0 | HTMLsymbol | NEW | overline (spacing overscore) |
| Omega | Ω | U+03A9 (937) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Omega |
| omega | ω | U+03C9 (969) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter omega |
| Omicron | Ο | U+039F (927) | HTML 4.0 | HTMLsymbol | Greek capital letter Omicron | |
| omicron | ο | U+03BF (959) | HTML 4.0 | HTMLsymbol | NEW | Greek small letter omicron |
| oplus | ⊕ | U+2295 (8853) | HTML 4.0 | HTMLsymbol | ISOamsb | circled plus (direct sum) |
| or | ∨ | U+2228 (8744) | HTML 4.0 | HTMLsymbol | ISOtech | logical or (vee) |
| ordf | ª | U+00AA (170) | HTML 3.2 | HTMLlat1 | ISOnum | feminine ordinal indicator |
| ordm | º | U+00BA (186) | HTML 3.2 | HTMLlat1 | ISOnum | masculine ordinal indicator |
| Oslash | Ø | U+00D8 (216) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter O with stroke (Latin capital letter O slash) |
| oslash | ø | U+00F8 (248) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter o with stroke (Latin small letter o slash) |
| Otilde | Õ | U+00D5 (213) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter O with tilde |
| otilde | õ | U+00F5 (245) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter o with tilde |
| otimes | ⊗ | U+2297 (8855) | HTML 4.0 | HTMLsymbol | ISOamsb | circled times (vector product) |
| Ouml | Ö | U+00D6 (214) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter O with diaeresis |
| ouml | ö | U+00F6 (246) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter o with diaeresis |
| para | ¶ | U+00B6 (182) | HTML 3.2 | HTMLlat1 | ISOnum | pilcrow sign (paragraph sign) |
| part | ∂ | U+2202 (8706) | HTML 4.0 | HTMLsymbol | ISOtech | partial differential |
| permil | ‰ | U+2030 (8240) | HTML 4.0 | HTMLspecial | ISOtech | per mille sign |
| perp | ⊥ | U+22A5 (8869) | HTML 4.0 | HTMLsymbol | ISOtech | up tack (orthogonal to, perpendicular)[o] |
| Phi | Φ | U+03A6 (934) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Phi |
| phi | φ | U+03C6 (966) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter phi |
| Pi | Π | U+03A0 (928) | HTML 4.0 | HTMLsymbol | Greek capital letter Pi | |
| pi | π | U+03C0 (960) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter pi |
| piv | ϖ | U+03D6 (982) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek pi symbol |
| plusmn | ± | U+00B1 (177) | HTML 3.2 | HTMLlat1 | ISOnum | plus-minus sign (plus-or-minus sign) |
| pound | £ | U+00A3 (163) | HTML 3.2 | HTMLlat1 | ISOnum | pound sign |
| prime | ′ | U+2032 (8242) | HTML 4.0 | HTMLsymbol | ISOtech | prime (minutes, feet) |
| Prime | ″ | U+2033 (8243) | HTML 4.0 | HTMLsymbol | ISOtech | double prime (seconds, inches) |
| prod | ∏ | U+220F (8719) | HTML 4.0 | HTMLsymbol | ISOamsb | n-ary product (product sign)[k] |
| prop | ∝ | U+221D (8733) | HTML 4.0 | HTMLsymbol | ISOtech | proportional to |
| Psi | Ψ | U+03A8 (936) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Psi |
| psi | ψ | U+03C8 (968) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter psi |
| quot | " | U+0022 (34) | HTML 2.0 | HTMLspecial | ISOnum | quotation mark (APL quote) |
| radic | √ | U+221A (8730) | HTML 4.0 | HTMLsymbol | ISOtech | square root (radical sign) |
| rang | ⟩ | U+232A (9002) | HTML 4.0 | HTMLsymbol | ISOtech | right-pointing angle bracket (ket)[r] |
| raquo | » | U+00BB (187) | HTML 3.2 | HTMLlat1 | ISOnum | right-pointing double angle quotation mark (right pointing guillemet) |
| rarr | → | U+2192 (8594) | HTML 4.0 | HTMLsymbol | ISOnum | rightwards arrow |
| rArr | ⇒ | U+21D2 (8658) | HTML 4.0 | HTMLsymbol | ISOnum | rightwards double arrow[j] |
| rceil | ⌉ | U+2309 (8969) | HTML 4.0 | HTMLsymbol | ISOamsc | right ceiling |
| rdquo | ” | U+201D (8221) | HTML 4.0 | HTMLspecial | ISOnum | right double quotation mark |
| real | ℜ | U+211C (8476) | HTML 4.0 | HTMLsymbol | ISOamso | black-letter capital R (real part symbol) |
| reg | ® | U+00AE (174) | HTML 3.2 | HTMLlat1 | ISOnum | registered sign (registered trademark symbol) |
| rfloor | ⌋ | U+230B (8971) | HTML 4.0 | HTMLsymbol | ISOamsc | right floor |
| Rho | Ρ | U+03A1 (929) | HTML 4.0 | HTMLsymbol | Greek capital letter Rho | |
| rho | ρ | U+03C1 (961) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter rho |
| rlm | U+200F (8207) | HTML 4.0 | HTMLspecial | NEW RFC 2070 | right-to-left mark | |
| rsaquo | › | U+203A (8250) | HTML 4.0 | HTMLspecial | ISO proposed | single right-pointing angle quotation mark[g] |
| rsquo | ’ | U+2019 (8217) | HTML 4.0 | HTMLspecial | ISOnum | right single quotation mark |
| sbquo | ‚ | U+201A (8218) | HTML 4.0 | HTMLspecial | NEW | single low-9 quotation mark |
| Scaron | Š | U+0160 (352) | HTML 4.0 | HTMLspecial | ISOlat2 | Latin capital letter s with caron |
| scaron | š | U+0161 (353) | HTML 4.0 | HTMLspecial | ISOlat2 | Latin small letter s with caron |
| sdot | ⋅ | U+22C5 (8901) | HTML 4.0 | HTMLsymbol | ISOamsb | dot operator[p] |
| sect | § | U+00A7 (167) | HTML 3.2 | HTMLlat1 | ISOnum | section sign |
| shy | U+00AD (173) | HTML 3.2 | HTMLlat1 | ISOnum | soft hyphen (discretionary hyphen) | |
| Sigma | Σ | U+03A3 (931) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Sigma |
| sigma | σ | U+03C3 (963) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter sigma |
| sigmaf | ς | U+03C2 (962) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter final sigma |
| sim | ∼ | U+223C (8764) | HTML 4.0 | HTMLsymbol | ISOtech | tilde operator (varies with, similar to)[m] |
| spades | ♠ | U+2660 (9824) | HTML 4.0 | HTMLsymbol | ISOpub | black spade suit[f] |
| sub | ⊂ | U+2282 (8834) | HTML 4.0 | HTMLsymbol | ISOtech | subset of |
| sube | ⊆ | U+2286 (8838) | HTML 4.0 | HTMLsymbol | ISOtech | subset of or equal to |
| sum | ∑ | U+2211 (8721) | HTML 4.0 | HTMLsymbol | ISOamsb | n-ary summation[l] |
| sup | ⊃ | U+2283 (8835) | HTML 4.0 | HTMLsymbol | ISOtech | superset of[n] |
| sup1 | ¹ | U+00B9 (185) | HTML 3.2 | HTMLlat1 | ISOnum | superscript one (superscript digit one) |
| sup2 | ² | U+00B2 (178) | HTML 3.2 | HTMLlat1 | ISOnum | superscript two (superscript digit two, squared) |
| sup3 | ³ | U+00B3 (179) | HTML 3.2 | HTMLlat1 | ISOnum | superscript three (superscript digit three, cubed) |
| supe | ⊇ | U+2287 (8839) | HTML 4.0 | HTMLsymbol | ISOtech | superset of or equal to |
| szlig | ß | U+00DF (223) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter sharp s (ess-zed); see German Eszett |
| Tau | Τ | U+03A4 (932) | HTML 4.0 | HTMLsymbol | Greek capital letter Tau | |
| tau | τ | U+03C4 (964) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter tau |
| there4 | ∴ | U+2234 (8756) | HTML 4.0 | HTMLsymbol | ISOtech | therefore sign |
| Theta | Θ | U+0398 (920) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Theta |
| theta | θ | U+03B8 (952) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter theta |
| thetasym | ϑ | U+03D1 (977) | HTML 4.0 | HTMLsymbol | NEW | Greek theta symbol |
| thinsp | U+2009 (8201) | HTML 4.0 | HTMLspecial | ISOpub | thin space[d] | |
| THORN | Þ | U+00DE (222) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter THORN |
| thorn | þ | U+00FE (254) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter thorn |
| tilde | ˜ | U+02DC (732) | HTML 4.0 | HTMLspecial | ISOdia | small tilde |
| times | × | U+00D7 (215) | HTML 3.2 | HTMLlat1 | ISOnum | multiplication sign |
| trade | ™ | U+2122 (8482) | HTML 4.0 | HTMLsymbol | ISOnum | trademark symbol |
| Uacute | Ú | U+00DA (218) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter U with acute accent |
| uacute | ú | U+00FA (250) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter u with acute accent |
| uarr | ↑ | U+2191 (8593) | HTML 4.0 | HTMLsymbol | ISOnum | upwards arrow |
| uArr | ⇑ | U+21D1 (8657) | HTML 4.0 | HTMLsymbol | ISOamsa | upwards double arrow |
| Ucirc | Û | U+00DB (219) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter U with circumflex |
| ucirc | û | U+00FB (251) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter u with circumflex |
| Ugrave | Ù | U+00D9 (217) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter U with grave accent |
| ugrave | ù | U+00F9 (249) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter u with grave accent |
| uml | ¨ | U+00A8 (168) | HTML 3.2 | HTMLlat1 | ISOdia | diaeresis (spacing diaeresis); see Germanic umlaut |
| upsih | ϒ | U+03D2 (978) | HTML 4.0 | HTMLsymbol | NEW | Greek Upsilon with hook symbol |
| Upsilon | Υ | U+03A5 (933) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Upsilon |
| upsilon | υ | U+03C5 (965) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter upsilon |
| Uuml | Ü | U+00DC (220) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter U with diaeresis |
| uuml | ü | U+00FC (252) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter u with diaeresis |
| weierp | ℘ | U+2118 (8472) | HTML 4.0 | HTMLsymbol | ISOamso | script capital P (power set, Weierstrass p) |
| Xi | Ξ | U+039E (926) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek capital letter Xi |
| xi | ξ | U+03BE (958) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter xi |
| Yacute | Ý | U+00DD (221) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin capital letter Y with acute accent |
| yacute | ý | U+00FD (253) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter y with acute accent |
| yen | ¥ | U+00A5 (165) | HTML 3.2 | HTMLlat1 | ISOnum | yen sign (yuan sign) |
| yuml | ÿ | U+00FF (255) | HTML 2.0 | HTMLlat1 | ISOlat1 | Latin small letter y with diaeresis |
| Yuml | Ÿ | U+0178 (376) | HTML 4.0 | HTMLspecial | ISOlat2 | Latin capital letter y with diaeresis |
| Zeta | Ζ | U+0396 (918) | HTML 4.0 | HTMLsymbol | Greek capital letter Zeta | |
| zeta | ζ | U+03B6 (950) | HTML 4.0 | HTMLsymbol | ISOgrk3 | Greek small letter zeta |
| zwj | U+200D (8205) | HTML 4.0 | HTMLspecial | NEW RFC 2070 | zero-width joiner | |
| zwnj | U+200C (8204) | HTML 4.0 | HTMLspecial | NEW RFC 2070 | zero-width non-joiner |
参考：
https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references
