Date Validation Regular Expression_PHP Tutorial

Date validation regular expression Three date verification regular expressions are provided below. You can choose one of the following three mid-term date verification methods according to your needs

Date verification regular expressions
Three date verification regular expressions are provided below. You can choose one of the following three mid-term date verification methods according to your needs
*/

$arr_date = array(
'2004-06-01',
'2005-0x-10',
'12-12-12',
'2000-12-25 00:10:20',
'2007-12-05'
);

for ($i=0; $i<5; ++$i)
{
$date = $arr_date[$i];
if(ereg("([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})", $date, $regs))
{
echo "The date string $date conforms to the 'yyyy-mm-dd' format:";
echo "$regs[1].$regs[2].$regs[3]

";
}
else
{
echo "Date string $date is a date string that does not conform to the 'yyyy-mm-dd' format

";
}
}

//Match yyyy-mm-dd

(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9 ][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12] [0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[ 1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]| [13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)

//2: Match dd/mm/yyyy or match d/m/yyyy

'/^(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|'
.'[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})/((([13578]|1[2] )|(0[13578]|1[02])'
.'/((0[1-9]|[12][0-9]|3[01])|([1-9]|[12][0-9]|3[1]))) |(((0[469]|11)|([469]|11))'
                  .'/((0[1-9]|[12][0-9]|30)|([1-9]|[12][0-9]|30)))|'
.'((02|2)/((0[1-9]|[1][0-9]|2[0-8])|([1-9]|[1][0-9] |2[0-8]))'
.')))|((([0-9]{2})((0[48]|[2468][048]|[13579][26])|([48]|[2468][048 ]|[13579][26]))|'
.'((((0[48])|([48]))|[2468][048]|[3579][26])00))/(02|2)/29)$/';