/**
* This function returns a regex string of the format.
*
* @param $format The format name.
* @param $regexes (Optional) Regexes replacements.
*
* @returns The regex string.
*
* @static
*/
function getRegex($format, $regexes = array())
{
$s = '([0-5]{1}[0-9]{1}|[0-9]{1})';
// seconds and minutes
$h = '([0-1]{1}[0-9]{1}|2[0-3]{1}|[0-9]{1})';
// hours
$d = '([0-2]{1}[0-9]{1}|30|31|[0-9]{1})';
// day
$m = '(0[0-9]{1}|1[0-2]{1}|[0-9]{1})';
// month
$y = '([0-9]{4})';
// year 4 digits
$t = '([\\-\\/\\.\\,\\: ])';
// separators
$a = '([a-zA-Z]+)';
// alpha
$w = '([0-9]+)';
// numbers
// replace regexes
if ($regexes) {
foreach ($regexes as $k => $v) {
${$k} = $v;
}
}
// format string
$string = YDDateFormat::get($format, 'string');
// time representation
$string = str_replace('%T', '%H:%M:%S', $string);
// separators
$string = preg_replace($t, $t, $string);
// date
$string = str_replace('%a', $a, $string);
$string = str_replace('%A', $a, $string);
$string = str_replace('%b', $a, $string);
$string = str_replace('%B', $a, $string);
$string = str_replace('%d', $d, $string);
$string = str_replace('%m', $m, $string);
$string = str_replace('%Y', $y, $string);
$string = str_replace('%w', $w, $string);
// time
$string = str_replace('%H', $h, $string);
$string = str_replace('%M', $s, $string);
$string = str_replace('%S', $s, $string);
return '/^' . $string . '$/i';
}
