PHP:mb_regex_set_options()的用法_mbstring函数

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mb_regex_set_options

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(PHP 4 >= 4.3.0, PHP 5)

mb_regex_set_options — Set/Get the default options for mbregex functions

说明 string mb_regex_set_options ([ string $options = mb_regex_set_options() ] )

Sets the default options described by options for multibyte regex functions.

参数

options

The 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.

Regex options Option Meaning 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 Regex syntax modes 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

返回值

The previous options. If options is omitted, it returns the string that describes the current options.

参见

mb_split() - 使用正则表达式分割多字节字符串 mb_ereg() - Regular expression match with multibyte support mb_eregi() - Regular expression match ignoring case with multibyte support

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