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Asked: 2026-06-13T10:29:04+00:00

Im having difficulties figuring out how to do the following preg_match in php. I

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Im having difficulties figuring out how to do the following preg_match in php.
I have a HTML form where the user can enter his or hers birthdate by day, month & year.

How do i validate the following
Day: make sure it’s a number between 1 and 31, actually between 01 and 31
Month: make sure it’s a number between 1 and 12, actually between 01 and 12
Year: make sure it’s a number between 1800 and 2012, actually between 1800 and 2012

if (preg_match( ????? )) {
     echo " SUCCESS";
} else { 
     echo " ERROR";
}

Thanks…

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1 Answer

  1. Editorial Team

    Checkdate needs 3 different parameters, for validating one input with preg_match, use pattern:

    (0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.]((?|19|20)\d\d)

    it validates correct date in style dd-mm-yyy and dd.mm.yyyy and dd/mm/yyyy and if you want, it also parses values out for each parameter

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