[thelist] javascript numbers with decimals
Phil Turmel
pturmel-webdev at turmel.org
Tue May 6 08:50:16 CDT 2008
Daniel Kessler wrote:
> I'm trying to ensure that all characters entered into a field are
> numbers AND/OR a decimal. Valid entries are similar to: 521,
> 521.44, .44, 521.4 Invalid entries would be: $521, 52o
> I'm working from code that works in another library and I have it
> removing all numbers, but it won't allow a decimal. I'd like to
> understand what the code is doing and how to also allow a decimal.
> Here's the code that I have so far:
>
> regEx = /\D/g; // String to remove any characters that are not numbers
> filteredField=field.value.replace(regEx,"") // text field numeric
> characters only
>
> Clearly I need to update the first line to include the decimal, but
> haven't yet figured out how. I'll keep on it.
>
> Oh, and please cc me with any replies as I get these postings digest.
>
> thank you.
>
Try:
regEx = /[^0-9\.]/g;
(untested)
HTH,
Phil
ps. This list is a "mangled" list, which means reply-to-all doesn't
work. I had to add your CC: manually. You might want to consider
switching to non-digest mode while actively soliciting help, as some
respondents won't notice the missing CC:.
--
Need to contact me offlist?
Drop -webdev or you probably won't get through.
More information about the thelist
mailing list