(PHP 3, PHP 4 )
This function is identical to ereg() except that this ignores case distinction when matching alphabetic characters.
Пример 1. eregi() example
<?php if (eregi("z", $string)) { echo "'$string' contains a 'z' or 'Z'!"; } ?>
See also ereg(), ereg_replace(), eregi_replace(), stripos(), and stristr().