jQuery :contains() selector uppercase and lower case issue

Question

My html looks like this

jK
JFOO         


        
      

Answer 1

Why not use the filter function, and pass in a function that uses a case insensitive regex?

var filteredDivs = $("div.link-item").filter(function() {
    var reg = new RegExp(txtsearch, "i");
    return reg.test($(this).text());
});

DEMO