I think he meant.. the carrot after the delimiter
which means NOT.. like /[^a]/ means match anything thats not an 'a'
Jason
Justin Patrin <[EMAIL PROTECTED]> wrote:
>
> Mike Mapsnac wrote:
>
> > Hello
> >
> > I found this function online and want to understand how it works.
> > I don't understand "/^" and "$/". I know that "^" beginning of the
> > string but what is "/^".
> >
> > Thanks
> >
> > function validEmail($email)
> > {
> > return
> >
> preg_match("/^([a-zA-Z0-9])+([.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-]+)+[a-zA-Z0-9_-]$/",$email);
>
> >
> > }
> >
> > _________________________________________________________________
> > Fast. Reliable. Get MSN 9 Dial-up - 3 months for the price of 1!
> > (Limited-time Offer)
> > http://click.atdmt.com/AVE/go/onm00200361ave/direct/01/
>
> The / characters are the regex delimiters. This is a throwback to the
> Perl language. Basically, the / show where the beginning and end of the
> regex is. You *MUST* have them. After the last / you can put modifiers
> such as 'i' for case insensitive matching.
>
> You can also use other chars for delimiters, but I try to stick with /
> for consistency.
>
> --
> paperCrane <Justin Patrin>
>
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