(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
mb_regex_set_options — Set/Get the default options for mbregex functions
Sets the default options described by options for multibyte regex functions.
optionsThe options to set. This is a string where each character is an option. To set a mode, the mode character must be the last one set, however there can only be set one mode but multiple options.
| Option | Meaning | 更新日志 |
|---|---|---|
| i | Ambiguity match on | |
| x | Enables extended pattern form | |
| m | '.' matches with newlines | |
| s | '^' -> '\A', '$' -> '\Z' | |
| p | Same as both the m and s options | |
| l | Finds longest matches | |
| n | Ignores empty matches | |
| e | eval() resulting code | Deprecated as of PHP 7.1.0 and removed as of PHP 8.0.0 |
注意:
The
"e"option has no effect when set through mb_regex_set_options(). Use it with mb_ereg_replace() or mb_eregi_replace().
| Mode | Meaning |
|---|---|
| j | Java (Sun java.util.regex) |
| u | GNU regex |
| g | grep |
| c | Emacs |
| r | Ruby |
| z | Perl |
| b | POSIX Basic regex |
| d | POSIX Extended regex |
The previous options. If options is omitted or null, it returns the string that describes the current options.
| 版本 | 说明 |
|---|---|
| 8.0.0 | If the parameter options is given and not null, the previous options are returned. Formerly, the current options have been returned. |
| 8.0.0 | options is nullable now. |
| 8.0.0 | The "e" option now throws a ValueError. |
| 7.1.0 | The "e" option now emits an E_DEPRECATED. |