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Check that the last 4 characters are numbers?

Question asked by weedonpaul on Jan 12, 2016
Latest reply on Jan 13, 2016 by weedonpaul

I want to create an on object modify trigger that checks that the last 4 characters are numbers.

when entering events users keep putting the name of the even but not the year, this causes problems when the same event occurs next year and has the same name

 

I want to check that the last 4 characters are numbers and if not trigger a dialogue box that reminds users to enter the year at the end.

 

can anyone tell me how they would do that?

 

many thanks

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