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question asked: Dec 03 '14, 6:19 a.m.
question was seen: 2,453 times
last updated: Dec 27 '18, 10:59 a.m.

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Error in using validator`s for string validation.

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Surender Biyyala (40●35●48) | asked Dec 03 '14, 6:19 a.m.
 Hi ,

I created a validator using the regular expression which should allow either

00000000 or 00000000-00 as below
(([0-9]{8})|([0-9]{8}-[0-9]{2});?)+

when test using the test filed it is working fine but the real thing is not working as expected , i mean the attribute which is using this validator is allowing only the 00000000 as the correct value.

Could some please help me in understanding this issue?

Thanks
Surender

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Brian Fleming (1.6k●1●19●28) | answered Dec 03 '14, 10:28 a.m.
I don't have an explanation as to why, but reversing your expression works for me:
(([0-9]{8}-[0-9]{2}|[0-9]{8});?)+
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Surender Biyyala commented Dec 03 '14, 12:34 p.m.

Thanks Brain for your help.


I have one more requirement 

i.e.,  My regular expression should allow the following pattern
00000000 or 00000000-00 seperated by ;

the  expression working very fine for the pattern but it is accepting even without the special character. 

(([0-9]{8}-[0-9]{2}|[0-9]{8});?)+

How can I force to have the special character between two formats?

Thanks
Surender

Brian Fleming commented Dec 03 '14, 2:43 p.m.

RegEx questions probably don't belong in this forum and you may get better responses somewhere like stackoverflow.  In any case, this
^([0-9]{8}-[0-9]{2}|[0-9]{8})(;([0-9]{8}-[0-9]{2}|[0-9]{8}))*
works for me.  No guarantees that there aren't more efficient ways to accomplish the same thing.

Manoj Panda commented Dec 27 '18, 10:59 a.m.
JAZZ DEVELOPER

could you please help me in case i want the validation should be MMM-YYYY format. what should  be the regular expression?

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