< html>
$(document).ready(function(){
var testData = [];
var pattern = /^\d{5}(-\d{4})?$/;
var originalArray = ['11111','abcde','1asdfasdf','asdfasdf-0339'];
var badZips = $.grep(
originalArray,
function(value) {
return value.match(/^\d{5}(-\d{4})?$/) != null;
},
true);
alert(badZips);
});
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