Validating numbers with regular expressions : preg_match « String « PHP

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PHP » String » preg_match

Validating numbers with regular expressions


 

<?php



if (! preg_match('/^-?\d+$/'$_POST['rating'])) {

    print 'Your rating must be an integer.';

}



if (! preg_match('/^-?\d*\.?\d+$/',$_POST['temperature'])) {

   print 'Your temperature must be a number.';

}

?>

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