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php-general | 2001032
Date: 03/31/01
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Jon Jacob wrote:
> Jeff Oien wrote:
>
> > I want to check if a variable contains a price, like
> > $19.99
> > It definitely would be a dollar sign, two integers a dot and
> > two integers. Here is what I tried which doesn't work.
> >
> > if (ereg("\$([0-9]{2}).([0-9]{2})", $Price))
> > or
> > if (ereg("\$([0-9]{2})\.([0-9]{2})", $Price))
> >
> > Thanks.
> > Jeff Oien
> >
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>
> I am not an expert on PHP but I have been programming in Perl for four
> years so I can tell you what I would use in Perl and you can see if that
> works in PHP. (I am almost sure they would be the same...)
>
> /\$\d\d\.\d\d\.d/
>
> It looks to me like you are forgetting to escape your period making the
> interpreter think it is "any character" rather than a literal period. I am
> not sure what the {2} is because I have never used that. Does that part of
> it really work that way?
>
> Good luck, hope that helps.
>
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Opps. I mistyped that. It should be:
/\$\d\d\.\d\d/
Drop the last d.
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