This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
mb_ereg_match() returns TRUE if string matches regular expression pattern, FALSE if not.
The internal encoding or the character encoding specified in mb_regex_encoding() will be used as character encoding.
Note: This function is supported in PHP 4.2.0 or higher.