// JavaScript Document
jQuery.expr[':'].regex = function(elem, index, match) {
   var matchParams = match[3].split(','),
       validLabels = /^(data|css):/,
       attr = {
           method: matchParams[0].match(validLabels) ?
                       matchParams[0].split(':')[0] : 'attr',
           property: matchParams.shift().replace(validLabels,'')
       },
       regexFlags = 'ig',
       regex = new RegExp(matchParams.join('').replace(/^\s+|\s+$/g,''), regexFlags);
   return regex.test(jQuery(elem)[attr.method](attr.property));
}