ah yes, i misread your regex, thought you'd said [0-9]{1,1} twice
"Douglas Humphris"
<[EMAIL PROTECTED] To: <[EMAIL PROTECTED]>
itech.net> cc:
Subject: RE: [ cf-dev ] Reg Exp
29/04/2004 10:24
Please respond to
dev
If the date is not of the format mm/yy or the empty string, it should
fail. So m/yy or mm/y will fail.
The reg exp should read:
"a string beginning with a zero or one, followed by any digit, followed
by /, followed by any two digits - all of that zero or one times."
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: 29 April 2004 10:16
To: [EMAIL PROTECTED]
Subject: Re: [ cf-dev ] Reg Exp
it looks to me like your regex is looking for either 99/99, or nothing
at
all.
<cfif NOT Len(cardStartDate) OR (IsNumeric(Left(cardStartDate, 2)) AND
IsNumeric(Right(cardStartDate, 2)))>
return true
</cfif>
not sure that's even the best logic, e.g. what if someone enters 9/04
instead of 09/04? Perhaps you could treat it as a list with the
delimiter
being /, then check each half is numeric, maybe after trimming.
"Douglas Humphris"
<[EMAIL PROTECTED] To:
<[EMAIL PROTECTED]>
itech.net> cc:
Subject: [ cf-dev ]
Reg Exp
29/04/2004 10:03
Please respond to
dev
Hi,
Can someone please help me with this regular expression ? can't figure
out
why it won't return true:
<cfset reCardDate = "^(([0-1]{1,1})([0-9]{1,1})/([0-9]{2,2})){0,1}$" />
<cfset cardStartDate = "" />
<cfoutput>#REFind(reCardDate,cardStartDate)#</cfoutput>
Basically, I want it to return true for the empty string, or for a valid
mm/yy date format.
Thanks, Douglas
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