Ah then that's easier. Use ^[0-9]{1,2}(\.[0-9])?$ for your regex. (In human,
that means "at the beginning of the string, find one or two numbers between
0 and 9, optionally followed by a period and another number, then the end of
the string.")
<cfif NOT isNumeric(testNum) testNum LT 0 or testNum GT 40 or
refind("^[0-9]{1,2}(\.[0-9])?$",testnum) is 0>
<cfoutput>You done failed the validation, pardner.</cfoutput>
</cfif>
On Mon, Sep 20, 2010 at 12:20 PM, Mark Davis <[email protected]> wrote:
> this will be in a CF function used for server-side form validation.
>
> On Mon, Sep 20, 2010 at 12:08 PM, Chris Champion <
> [email protected]> wrote:
>
>> Ick, numeric ranges are actually pretty difficult to do in regex. If
>> possible I would do two distinct functions and "wrap" a regex for the
>> numeric pattern ##.# with a separate range check for 0-40. Where will you be
>> implementing this? In CF functions, in a validation in a cfinput, or some
>> freestanding javascript?
>>
>>
>>
>> On Mon, Sep 20, 2010 at 11:03 AM, <[email protected]> wrote:
>>
>>> Here, let me Google That For You...
>>>
>>> http://www.txt2re.com/
>>>
>>>
>>> *James E. Thomas*
>>> Baker Botts L.L.P. Web Developer
>>> office: 713.229.2196 | mobile: 832.373.8117
>>>
>>>
>>> ------------------------------
>>> *From:* [email protected] [mailto:[email protected]] *On
>>> Behalf Of *Mark Davis
>>> *Sent:* Monday, September 20, 2010 10:44 AM
>>> *To:* [email protected]
>>> *Subject:* [houcfug] regex help
>>>
>>> Where are the regex experts? I fully admit I suck at regex so I am
>>> asking for help. Can anyone help me construct a regex that will accept
>>> numbers 0 through 40 (inclusive) and allow for a decimal point and one
>>> decimal place? So 0, .5, 6.8 and 40 are valid. 3.77, 40.1 are not valid.
>>>
>>> Who wants to be my hero?
>>>
>>> Thanks
>>>
>>> Mark
>>>
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>>
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