mb_ereg_search_pos

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

mb_ereg_search_pos — Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string

說明

mb_ereg_search_pos(?string $pattern = null, ?string $options = null): array|false

Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string

The string for match is specified by mb_ereg_search_init(). If it is not specified, the previous one will be used.

參數(shù)

pattern

The search pattern.

options

The search option. See mb_regex_set_options() for explanation.

返回值

An array containing two elements. The first element is the offset, in bytes, where the match begins relative to the start of the search string, and the second element is the length in bytes of the match.

If an error occurs, false is returned.

更新日志

版本 說明
8.0.0 pattern and options are nullable now.

注釋

注意:

mb_regex_encoding() 指定的內(nèi)部編碼或字符編碼將會當(dāng)作此函數(shù)用的字符編碼。

參見