Algo que siempre puede ser útil, los caracteres especiales que a veces hay que usar, me he encontrado una tabla que a alguno le vendrá bien:
ISO
| Name Code | Number Code | Glyph | Description |
| ‘ | ‘ | 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 | |
| Name Code | Number Code | Glyph | Description |
| – |
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 | |
| Name Code | Number Code | Glyph | Description |
| ⁄ | / | / | slash |
| 0- 9 |
digits 0-9 | ||
| : | : | colon | |
| ; | ; | semicolon | |
| < | < | < | less-than sign |
| = | = | equals sign | |
| > | > | > | greater-than sign |
| ? | ? | question mark | |
| @ | @ | at sign | |
| A- Z |
uppercase letters A-Z | ||
| [ | [ | left square bracket | |
| \ | \ | backslash | |
| ] | ] | right square bracket | |
| ^ | ^ | caret | |
| _ | _ | horizontal bar (underscore) | |
| ` | ` | grave accent | |
| a- z |
lowercase letters a-z | ||
| { | { | left curly brace | |
| | | | | vertical bar | |
| Name Code | Number Code | Glyph | Description |
| } | } | right curly brace | |
| ~ | ~ | tilde | |
| - • |
unused | ||
| – | – | – | en dash |
| — | — | — | em dash |
| ˜- Ÿ |
unused | ||
| nonbreaking space | |||
| ¡ | ¡ | ¡ | inverted exclamation |
| ¢ | ¢ | ¢ | cent sign |
| £ | £ | £ | pound sterling |
| ¤ | ¤ | ¤ | general currency sign |
| ¥ | ¥ | ¥ | yen sign |
| ¦ or &brkbar; | ¦ | ¦ | broken vertical bar |
| § | § | § | section sign |
| ¨ or ¨ | ¨ | ¨ | umlaut |
| © | © | © | copyright |
| ª | ª | ª | feminine ordinal |
| « | « | « | left angle quote |
| ¬ | ¬ | ¬ | not sign |
| | | | soft hyphen |
| ® | ® | ® | registered trademark |
| ¯ or &hibar; | ¯ | ¯ | macron accent |
| Name Code | Number Code | Glyph | Description |
| ° | ° | ° | degree sign |
| ± | ± | ± | plus or minus |
| ² | ² | ² | superscript two |
| ³ | ³ | ³ | superscript three |
| ´ | ´ | ´ | acute accent |
| µ | µ | µ | micro sign |
| ¶ | ¶ | ¶ | paragraph sign |
| · | · | · | middle dot |
| ¸ | ¸ | ¸ | cedilla |
| ¹ | ¹ | ¹ | superscript one |
| º | º | º | masculine ordinal |
| » | » | » | right angle quote |
| ¼ | ¼ | ¼ | one-fourth |
| ½ | ½ | ½ | one-half |
| ¾ | ¾ | ¾ | three-fourths |
| ¿ | ¿ | ¿ | inverted question mark |
| À | À | À | uppercase A, grave accent |
| Á | Á | Á | uppercase A, acute accent |
| Â | Â | Â | uppercase A, circumflex accent |
| Name Code | Number Code | Glyph | Description |
| Ã | Ã | Ã | uppercase A, tilde |
| Ä | Ä | Ä | uppercase A, umlaut |
| Å | Å | Å | uppercase A, ring |
| Æ | Æ | Æ | uppercase AE |
| Ç | Ç | Ç | uppercase C, cedilla |
| È | È | È | uppercase E, grave accent |
| É | É | É | uppercase E, acute accent |
| Ê | Ê | Ê | uppercase E, circumflex accent |
| Ë | Ë | Ë | uppercase E, umlaut |
| Ì | Ì | Ì | uppercase I, grave accent |
| Í | Í | Í | uppercase I, acute accent |
| Î | Î | Î | uppercase I, circumflex accent |
| Ï | Ï | Ï | uppercase I, umlaut |
| Ð | Ð | Ð | uppercase Eth, Icelandic |
| Ñ | Ñ | Ñ | uppercase N, tilde |
| Ò | Ò | Ò | uppercase O, grave accent |
| Ó | Ó | Ó | uppercase O, acute accent |
| Ô | Ô | Ô | uppercase O, circumflex accent |
| Õ | Õ | Õ | uppercase O, tilde |
| Name Code | Number Code | Glyph | Description |
| Ö | Ö | Ö | uppercase O, umlaut |
| × | × | × | multiplication sign |
| Ø | Ø | Ø | uppercase O, slash |
| Ù | Ù | Ù | uppercase U, grave accent |
| Ú | Ú | Ú | uppercase U, acute accent |
| Û | Û | Û | uppercase U, circumflex accent |
| Ü | Ü | Ü | uppercase U, umlaut |
| Ý | Ý | Ý | uppercase Y, acute accent |
| Þ | Þ | Þ | uppercase THORN, Icelandic |
| ß | ß | ß | lowercase sharps, German |
| à | à | à | lowercase a, grave accent |
| á | á | á | lowercase a, acute accent |
| â | â | â | lowercase a, circumflex accent |
| ã | ã | ã | lowercase a, tilde |
| ä | ä | ä | lowercase a, umlaut |
| å | å | å | lowercase a, ring |
| æ | æ | æ | lowercase ae |
| ç | ç | ç | lowercase c, cedilla |
| è | è | è | lowercase e, grave accent |
| Name Code | Number Code | Glyph | Description |
| é | é | é | lowercase e, acute accent |
| ê | ê | ê | lowercase e, circumflex accent |
| ë | ë | ë | lowercase e, umlaut |
| ì | ì | ì | lowercase i, grave accent |
| í | í | í | lowercase i, acute accent |
| î | î | î | lowercase i, circumflex accent |
| ï | ï | ï | lowercase i, umlaut |
| ð | ð | ð | lowercase eth, Icelandic |
| ñ | ñ | ñ | lowercase n, tilde |
| ò | ò | ò | lowercase o, grave accent |
| ó | ó | ó | lowercase o, acute accent |
| ô | ô | ô | lowercase o, circumflex accent |
| õ | õ | õ | lowercase o, tilde |
| ö | ö | ö | lowercase o, umlaut |
| ÷ | ÷ | ÷ | division sign |
| ø | ø | ø | lowercase o, slash |
| ù | ù | ù | lowercase u, grave accent |
| ú | ú | ú | lowercase u, acute accent |
| û | û | û | lowercase u, circumflex accent |
| Name Code | Number Code | Glyph | Description |
| ü | ü | ü | lowercase u, umlaut |
| ý | ý | ý | lowercase y, acute accent |
| þ | þ | þ | lowercase thorn, Icelandic |
| ÿ | ÿ | ÿ | lowercase y, umlaut |