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Activetuts on 01/04/11

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Last Edited at 01/04/11 12:02pm

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Validate Calendar Date with RegExp

/ Published in: ActionScript 3

From the tutorial, Validating Various Input Data in Flash (http://active.tutsplus.com/tutorials/actionscript/validating-various-input-data-in-flash/)

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public function checkDate(date:String):Boolean
{
    var month:String        = "(0?[1-9]|1[012])";
    var day:String          = "(0?[1-9]|[12][0-9]|3[01])";
    var year:String         = "([1-9][0-9]{3})";
    var separator:String    = "([.\/ -]{1})";
 
    var usDate:RegExp = new RegExp("^" + month + separator + day + "\\2" + year + "$");
    var ukDate:RegExp = new RegExp("^" + day + separator + month + "\\2" + year + "$");
 
    return (usDate.test(date) || ukDate.test(date) ? true:false);
}