Validating numbers with regular expressions : preg_match « String « PHP






  1. PHP
  2. String
  3. 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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