nl_tokens: http : // www . w3 . org / TR / html5 / common - microsyntaxes . html#valid - global - date - and - time - string
pl_tokens: function ( $node , val ) { return ! val . match ( / ^(\d{4}-\d{2}-\d{2})T(.+)(Z|(\+|-)([01][0-9]|2[0-3]):([0-5][0-9]))$ / ) || ! checkDateFormat ( RegExp . $1 ) || ! checkTimeFormat ( RegExp . $2 ) || checkMinAndMax ( $node , Date . <mask> ( val ) , Date . parse ) ; //should avoid parse date... }