Php/docs/function.mb-ereg-search-setpos

• PHP Manual
• 多字节字符串 函数
• Set start point of next regular expression match

mb_ereg_search_setpos

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

mb_ereg_search_setpos — Set start point of next regular expression match

说明

mb_ereg_search_setpos ( int $position ) : bool

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

参数

position

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 positions has been added.

注释

Note:

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

• mb_regex_encoding() - Set/Get character encoding for multibyte regex
• mb_ereg_search_init() - Setup string and regular expression for a multibyte regular expression match