How to solve the use of deprecated function ereg() of PHP 5.3.0 in Drupal 6.13

Question

Anyone knows how to solve the error below?

Deprecated: Function ereg() is deprecated in C:\\wamp\\www\\includes\\file.inc on line 895

Answer 1

Use

preg_match('/\.([^\.]*$)/', $this->file_src_name, $extension);

Instead of

ereg('\.([^\.]*$)', $this->file_src_name, $extension);