Please tell me I dont know regex

Please try below page/program on your system entering "ab-cd" and please tell me I dont know regex - because the way I see it the results of those tests should have been the same... ----------------------------------------------------------------------- <html><body><form method=post action=<?php $PHP_SELF ?>

Please enter something with a dash here: <input type='text' name='regex_test' />

<input type='submit' value='Submit' /> </form> <?php if (isset($_REQUEST['regex_test'])) { print "Testing ".$_REQUEST['regex_test'].' with regex /^[A-Za-z0-9\._\-]{3,63}$/ ... :'; if (ereg("^[A-Za-z0-9\._\-]{3,63}$",$_REQUEST['regex_test'])) print " Ok"; else print " Nak"; print "<br /><br />"; print "Testing ".$_REQUEST['regex_test'].' with regex /^[A-Za-z0-9\.\-_]{3,63}$/ ... :'; if (ereg("^[A-Za-z0-9\.\-_]{3,63}$",$_REQUEST['regex_test'])) print " Ok"; else print " Nak"; } print "<br /><br />Current PHP Version is: ".phpversion(); ?> </body></html>