mb_ereg_search_setpos

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

mb_ereg_search_setposSet start point of next regular expression match

说明

mb_ereg_search_setpos(int $offset): bool

mb_ereg_search_setpos() sets the starting point of a match for mb_ereg_search().

参数

offset

The position to set. If it is negative, it counts from the end of the string.

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
7.1.0 Support for negative offsets has been added.

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