<cfset isValid = (n * 10) mod 5 eq 0> That works unless you try something like 2.05 <cfset isValid = (2.05 * 10) mod 5 eq 0> <cfoutput>isValid : #isValid#</cfoutput> isValid : YES but should fail
On Sat, Feb 20, 2010 at 1:28 AM, Kevan Stannard <[email protected]> wrote: > > This might do: > > <cfset isValid = (n * 10) mod 5 eq 0> > > > On 20 February 2010 17:41, Marie Taylore <[email protected]> wrote: > >> >> I have an app that I need to validate that they enter either whole numbers >> (1,2,3, etc.) or if they DO enter a decimal, it can only be in half >> increments, so 2.5 is okay, but not 2.1, 2.2, 2.25, etc. Of course, 2.0 >> would be okay too, so .0 after the number is fine. >> >> Is there a good way to check that with Regex rather than parsing the string >> and checking that the value after the period is a 5 or a 0? >> >> Thanks, >> >> MarieT >> >> >> >> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:330980 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
