Fatal error: Call to undefined function: mb_ereg_replace()
i have finished configuring my dolphin script and want removed the install directory, when i want to run the script for the first time i got this error
Fatal error: Call to undefined function: mb_ereg_replace() in
/mnt/w0900/d23/s10/b02ada3b/www/server/dating/inc/utils.inc.php on line
120 what could be the cause of this error and how will i fix this error