The ASCII Character Set
- ASCII uses the values from 0 to 31 (and 127) for control characters.
- ASCII uses the values from 32 to 126 for letters, digits, and symbols.
- ASCII does not use the values from 128 to 255.
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The ANSI Character Set (Windows-1252)
- ANSI is identical to ASCII for the values from 0 to 127.
- ANSI has a proprietary set of characters for the values from 128 to 159.
- ANSI is identical to UTF-8 for the values from 160 to 255.
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The ISO-8859-1 Character Set
- 8859-1 is identical to ASCII for the values from 0 to 127.
- 8859-1 does not use the values from 128 to 159.
- 8859-1 is identical to UTF-8 for the values from 160 to 255.
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The UTF-8 Character Set
- UTF-8 is identical to ASCII for the values from 0 to 127.
- UTF-8 does not use the values from 128 to 159.
- UTF-8 is identical to both ANSI and 8859-1 for the values from 160 to 255.
- UTF-8 continues from the value 256 with more than 10 000 different characters.
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