(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search_init — Setup string and regular expression for a multibyte regular expression match
$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(). 
  
stringThe search string.
patternThe search pattern.
optionsThe search option. See mb_regex_set_options() for explanation.
   成功时返回 true, 或者在失败时返回 false。
  
| 版本 | 说明 | 
|---|---|
| 8.0.0 | patternandoptionsare nullable now. | 
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。