# mb_regex_encoding

(PHP 4 >= 4.2.0, PHP 5)

mb_regex_encoding — Returns current encoding for multibyte regex as string

### Description

mixed mb_regex_encoding ([ string `$encoding` ] )

mb_regex_encoding() returns the character encoding used by multibyte regex functions.

If the optional parameter `encoding` is specified, it is set to the character encoding for multibyte regex. The default value is the internal character encoding.

See also: mb_internal_encoding(), mb_ereg()