如何在jquery中使用regexp搜索确切的数字

I found a jsfiddle code that can search multiple words and will result to multiple result. Now i want to search on the numbers column only. I tried searching 2 and the result is two column which is 2 and 24. i know why because 2 has also in 24. i want only the 2 will be displayed. but the function of the jsfiddle of "multiple" search will not be affected. like if i search "2 24" or "2|24" that's the time it will display 2 and 24I found a jsfiddle code that can search multipl