Password Validation

[jonno946]

Hi, How can i restrict the user to only be able to enter letters, numbers and _'s??

Any help would be great

Jonathan

[jrmad]

hi jonathan,

one way is to parse the entered values by
regular expression to find out if there are special chars in this string.

JR

[van__]

if (preg_match('/[^{a-z0-9-_]/i',$password))} { //error out }