const pattern = /hello/;

const str = 'hello world';

​

const result = pattern.test(str);

console.log(result); // Output: true

const str = "Hello World";

var item = /Hello/,  // to define the item name use /item name/

 result = item.test(str); //test() used to search for a specific item in strings

// returns "true"

var html =  '<div class="col-lg-4 col-references" idreference="'+response+'"><span class="optionsRefer"><i class="glyphicon glyphicon-remove delRefer" style="color:red; cursor:pointer;" data-toggle="modal" data-target="#modalDel"></i><i class="glyphicon glyphicon-pencil editRefer" data-toggle="modal" data-target="#modalRefer" style="cursor:pointer;"></i></span><div id="contentRefer'+response+'">'+refer_summary+'</div><span id="nameRefer'+response+'">'+refer_name+'</span></div>';

$("#references").append(html);