Posted by shimmyshack on 04/30/07 12:52

On Apr 30, 9:08 am, gosha bine <stereof...@gmail.com> wrote:
> On 30.04.2007 01:37 M Kinnear wrote:
>
> > I want to check a string only contains a-z 0-9 ( ) . and #
>
> > I've used
>
> > ereg("^[a-zA-z0-9().#]*)$"),$instr)
>
> This line has a syntax error. I'd suggest
>
> preg_match('/^[\w().#]*$/D', $instr)
>
>
>
> > which parses a string correctly until I try and parse a !,",£,$ ... or any
> > of the other special/reserved characters.
>
> > First q: what am I doing wrong
> > Second q: is there clarification on whether characters need to be escaped
> > when part of a regex statement? i.e., should it be [$] or [\$] - some
> > websites/posts state they should be escaped, others say they shouldn't
>
> Inside a character class ([...]) only slash \ caret ^ and dash - have
> special meaning and should be escaped. All other chars are taken
> literally. When using double quotes, you also have to escape dollar sign
> when it comes before a letter.
>
>
>
> > Thanks
>
> > Matt
>
> --
> gosha bine
>
> extended php parser ~http://code.google.com/p/pihipi
> blok ~http://www.tagarga.com/blok

and one more thing, the OP had
[a-zA-z]
I think he needs [a-zA-Z] as [A-z] allows more than upper and lower
case letters

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