I just came across this so check it - It might help:

http://www.php.net/manual/en/pcre.pattern.syntax.php#regexp.reference.backsl
ash

Kal

"Brian Clark" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Does anyone know when the PCRE modifier 'e' was added into PHP? Is it
> version dependant, or has it been there since 3.0?
>
> In 3.0.18 with `PCRE library version: 2.05 21-Apr-1999' I get:
>
>   Warning:  Unknown option 'e' in [...]
>
> But in 4.2.0-dev it is, of course, fine.
>
> -Brian
>



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