On Tue, 19 Mar 2002, Matthew Harrison wrote:
> i need to say something like
> if $username = "" then ...
>
> where "" is literally nothing. i want to match it ONLY if the variable is
> totally empty.
>
> this is my first experience with regex so what should this be?
if(!$username) {
....
}
An empty string returns boolean false (like 0 does), so you can test for
truth in an expression. I think a regex is unnecessary here.
-- Brett
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