[Javascript] Regular Exp

[Shawn Milo]

Hakan and Laurent,

I would do this a little differently, and make
the decimal and the digits to the right of
it optional:

var number_re = /[0-9]+(\.[0-9]{,2})?/;
(untested)

Just to make sure I'm shooting for the
right goal, is the idea to have any number
and, optionally a decimal with no more 
than two decimal places?

Shawn

> Laurent,
> 
> I'm a bit stressed at work now so this might be getting ugly, but you 
> could try this change. It should accept one or more numbers, one or no 
> dot and then zero to two digits. Hardcore regexp ninjas might see that 
> this probably also accepts 1000000000000000000000000000.33 but it's as 
> good as I can get it right now.
> 
> var number_re = /[0-9]+\.?[0-9]{0,2}/;
> 
> Regards,
> H
> 
> Laurent Muchacho wrote:
> > hi Hakan,
> > 
> > yes you right it match anything but number. Thanks this do put me in the
> > right direction but it seems a bit more complicated then I expected because
> > I'm checking the value on each onKeyUp event. It mean that when you start
> > typing eg: 1 for 100.55 it return false until you got the whole number.
> > 
> > Thanks for getting back so quick and for the help provided.
> > 
> > Regards
> > 
> > Laurent
> > 
> > -----Original Message-----
> > From: Hakan M (Backbase) [mailto:hakan at backbase.com]
> > Sent: 07 January 2005 12:26
> > To: [JavaScript List]
> > Subject: Re: [Javascript] Regular Exp
> > 
> > 
> >  > var number_re = /[^0-9]/g
> > 
> > This regexp rather matches anything BUT a number, unless I'm completely 
> > confused.
> > 
> > You could try this, it's untested but should be in the right direction.
> > 
> > var number_re = /[0-9]+\.[0-9]{2}/;
> > 
> > Regards,
> > H
> > 
> > Laurent Muchacho wrote:
> > 
> >>Hi Guru's
> >>
> >>I got a regex I need but can't find any good references on regex since
> >>netscape brought down devedge.
> >>
> >>What I need is a regex that match any number with 2 decimal 100.00 or
> > 
> > 43.54
> > 
> >>I call a function on the event onKeyDown on my input type text and check
> > 
> > if
> > 
> >>you input a number.
> >>I got the logic working fine but my regex only match number and I need a
> >>number with 2 decimal. 
> >>
> >>this is what I got for matching only number.
> >>var number_re = /[^0-9]/g
> >>
> >>I tried this to match any number and a dot but it doesn't work.
> >>var number_re = /[^0-9]+\./g
> >>
> >>I hope you guy's can give me a hand on this and with shawn relaunching
> > 
> > this
> > 
> >>list a few days ago I'm desperate about this regex skills he was talking
> >>about.
> >>
> >>Thanks 
> >>_______________________________________________
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> >>Javascript at LaTech.edu
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> >>
> >>
> > 
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