[rules-users] how to write regular expressions in drools..

[Nagaraju runkana]

i am trying to another way like this ..

rule "email.firstletter:[insert][update][ui]"
when
 There is an Order
 Order email address statr with @
 // OrderBean(eval(email.indexOf('@',0) == 0))
then
 Reject with response : "email address must not start with @"
end

this time also same problem.any another to slove this problem.


On Fri, May 30, 2008 at 3:32 PM, Jaroslaw Kijanowski <kijanowski at gmail.com>
wrote:

> Yeah, but that's not a drools issue any more. I guess your regexp is not
> sufficient to catch an email address.
> The rule will fire when you provide @aa but it will not fire if you use @
> aa.com, right? google for "Validate an Email Address" and you will find
> regexps which will handle the "dot" and other chars.
>
>
> Cheers,
>  Jarek
>
> Nagaraju runkana wrote:
>
>> HI Jar,
>>  Thanks for replay,
>>  i am try to like this also: email matches "@\[A-Za-z0-9\]*"
>> in this case also nagetive test cases Build Success.
>>
>> Chanti
>>
>> On Fri, May 30, 2008 at 2:49 PM, Jaroslaw Kijanowski <
>> jaroslaw.kijanowski at redhat.com> wrote:
>>
>> Hi,
>>>  you have to escape characters with regexp meaning (see docs for
>>> details).
>>> Try this:
>>> email matches "@\[A-Za-z0-9\]*"
>>> phone not matches "\\\\d{3}\\\\-\\\\d{3}\\\\-\\\\d{4}"
>>>
>>> Moreover I guess your rule is anyway broken, you will get a cross product
>>> of Orders, so I would remove "There is an Order" from both rules.
>>>
>>> Cheers,
>>>  Jarek
>>>
>>> Nagaraju runkana wrote:
>>>
>>>  HI Guys,
>>>>
>>>> present i am using drools 4.0 in this case.now, i am writting some rules
>>>> validation using regular expression ZIPCODE,EMAIL,CREDIT CARD
>>>> number.like
>>>> this..
>>>> --------------------
>>>> validation.dslr
>>>> --------------------
>>>> rule "email.mandatory:[insert][update][ui]"
>>>>  when
>>>>  There is an Order
>>>>  Order email address checking for first letter
>>>> then
>>>>  Reject with response : "email address must not start with @ "
>>>> end
>>>> rule "phone.mandatory:[insert][update][ui]"
>>>> when
>>>>  There is an Order
>>>>  Order phone number format should checking
>>>>  then
>>>>  Reject with response : "The phone number you entered is not
>>>> valid.Please
>>>> enter a phone number with the format xxx-xxx-xxxx."\
>>>> end
>>>> -----------------------
>>>> validation.dsl
>>>> --------------------
>>>> [*][]Order email address checking for first letter= OrderBean(email
>>>> matches
>>>> "@[A-Za-z0-9]*")
>>>> [*][]Order phone number format should checking=OrderBean( phone not
>>>> matches
>>>> "(/\d{3}\-\d{3}\-\d{4}/)==-1)")
>>>> this rules are not working ...any one can help me.ASAP
>>>>
>>>> thanks,
>>>> chanti
>>>>
>>>>
>>>>
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