mb_regex_set_options

(PHP 4 >= 4.3.0, PHP 5)

mb_regex_set_options — Set/Get the default options for mbregex functions

string mb_regex_set_options ([ string $options= "msr" ] )

Sets the default options described by options for multibyte regex functions.

The previous options. If options is omitted, it returns the string that describes the current options.