Difference between revisions of "Character escape codes"
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| Line 36: | Line 36: | ||
| align=center| NUL || align=center|%0 || || 00 || ASCII NUL | | align=center| NUL || align=center|%0 || || 00 || ASCII NUL | ||
|- | |- | ||
| − | | align=center| || align=center|%l || || 80 || Extended NUL ('\x80') | + | | align=center| || align=center|%xhh || align=center|%#hh || || 'hh' is the character code as 2 hex digits.Note that you must use 2 digits. |
| + | |- | ||
| + | | align=center| || align=center|%l || || 80 || Extended NUL ('\x80') | ||
|- | |- | ||
| align=center| || align=center|%q || || || to quote next character in string (if not parameter or end of string) | | align=center| || align=center|%q || || || to quote next character in string (if not parameter or end of string) | ||
Revision as of 21:59, 31 March 2008
Escape sequences use an escape character to change the meaning of the characters which follow it. In the event handler backslash (\) or percent (%) is used as escape character.
| Char | Code | Alt. code | Hex | Description |
|---|---|---|---|---|
| , | %, | %c | 2C | Comma |
| ( | %( | %o | 28 | Opening parenthese |
| ) | %) | %p | 29 | Closing parenthese |
| " | %" | %d | 22 | Double quote |
| ; | %; | %e | 3B | Semicolon |
| \ | %\ | 5C | Backslash | |
| % | %% | 25 | Percent | |
| TAB | %t | 09 | ASCII TAB (Horisontal tab) | |
| SP | %s | 20 | Space | |
| CR | %r | 0D | Carriage return | |
| LF | %n | 0A | Line feed | |
| BEL | %a | 07 | Bell (Alert) | |
| BS | %b | 08 | Backspace | |
| NUL | %0 | 00 | ASCII NUL | |
| %xhh | %#hh | 'hh' is the character code as 2 hex digits.Note that you must use 2 digits. | ||
| %l | 80 | Extended NUL ('\x80') | ||
| %q | to quote next character in string (if not parameter or end of string) |
Non printable ASCII characters can also be inserted in the text by using the ASCII value in HEX:
\xhh or %xhh or %#hh where 'hh' is the character code as 2 hex digits. Note that you have to use two digits.