* Thus wrote Jason Wong:
> On Wednesday 21 July 2004 10:04, John Van Pelt wrote:
>
> > function isWord($element) {
> > return !preg_match ("/[^A-Za-z\-\(\)\s]/", $element);
> > }
> >
> > I want to test the string $element and make sure that it contains nothing
> > but:
> > - characters A-Z
> > - characters a-z
> > - hyphen
> > - parentheses (open and close)
> > - space character or its equivalent
>
> As John has previously suggested the best way to go about this is to remove
> anything which is not in the set of acceptable characters, which for the
> above is:
>
> $new = preg_replace('/[^A-Za-z-\()\s]/', '', $old);
>
> Then check that $new is not empty().
or if $new != $old, bad characters exist.
Curt
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