[Javascript] Regular Exp

[Hakan M (Backbase)]

That's how you do it! :)

This grouping/replacing-parenthesis confuses me sometimes. There's 
another way of grouping, something like (?:xxx), am I right?

Not enough regexps lately. Good to have you back.

Regards,
H

Shawn Milo wrote:
> 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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>>>>
>>>>
>>>
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>>>
>>
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