[PHP] Problem with regex

Hi, I need a regex for a username validation. The ereg function should be used. o the username must start and end with a-z o in the middle it could be a-z0-9\.-_ o and never something like this -- -. _- and so on Thanks for your help Oliver = mailto: [EMAIL PROTECTED] www.ertl.co.za

[PHP] Problem with regex

Hi, The following works. But I wouldn't allow users to use something like -. --- _- in $TestPwd. How can I implement this ? --- Steve Edberg [EMAIL PROTECTED] wrote: if (ereg('^[a-z][-a-z0-9\._]*[a-z]$', $TestPwd)) { echo Good; } else { echo Bad password $TestPwd; } =