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mb_ereg_search_init

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

mb_ereg_search_initSetup string and regular expression for a multibyte regular expression match

说明

mb_ereg_search_init(string $string, ?string $pattern = null, ?string $options = null): bool

mb_ereg_search_init() sets string and pattern for a multibyte regular expression. These values are used for mb_ereg_search(), mb_ereg_search_pos(), and mb_ereg_search_regs().

参数

string

The search string.

pattern

The search pattern.

options

The search option. See mb_regex_set_options() for explanation.

返回值

成功时返回 true, 或者在失败时返回 false

更新日志

版本 说明
8.0.0 pattern and options are nullable now.

注释

注意:

mb_regex_encoding() 指定的内部编码或字符编码将会当作此函数用的字符编码。

参见

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