(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search — Multibyte regular expression match for predefined multibyte string
$pattern = null, ?string $options = null): boolPerforms a multibyte regular expression match for a predefined multibyte string.
patternThe search pattern.
optionsThe search option. See mb_regex_set_options() for explanation.
   mb_ereg_search() returns true if the
   multibyte string matches with the regular expression, or false
   otherwise. The string for matching is set by 
   mb_ereg_search_init(). If
   pattern is not specified, the previous one
   is used.
  
| Version | Description | 
|---|---|
| 8.0.0 | patternandoptionsare nullable now. | 
Note:
The internal encoding or the character encoding specified by mb_regex_encoding() will be used as the character encoding for this function.