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regular expression - 4 OR 6 digits

Posted on 2014-11-02
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Last Modified: 2014-11-02
Hi

I need a regular expression to validate the user input
it has to be numeric
and it has to be either 4 or 6 digits

i'm not bothered about someone entering all zeros
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Question by:websss
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6 Comments
 
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Accepted Solution

by:
mankowitz earned 2000 total points
ID: 40418061
this should work: ^\d{4}$|^\d{6}$
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Author Comment

by:websss
ID: 40418065
works for 4 digits but fails for 6
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LVL 15

Expert Comment

by:Insoftservice
ID: 40418066
^[0-9]{4,6}$  
OR
/^\d{4|6}$/

would do the work
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Author Comment

by:websss
ID: 40418067
^[0-9]{4,6}$  allows 5 digits

it needst to be 4 OR 6
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Author Closing Comment

by:websss
ID: 40418069
i had a trailing space.... it worked!
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LVL 15

Expert Comment

by:Insoftservice
ID: 40418071
I hope there would have been slight change in comment

^[0-9]{4,7}$
and it would have worked right ?
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