:contains() Selector
Select all elements that contain the specified text.
.contains(text)
text
String A string of text to look for. It's case sensitive.The matching text can appear directly within the selected element, in any of that element's descendants, or a combination thereof. As with attribute value selectors, text inside the parentheses of :contains() can be written as a bare word or surrounded by quotation marks. The text must have matching case to be selected.
Finds all divs containing "John" and underlines them.
JS
<div>John Resig</div>
<div>George Martin</div>
<div>Malcom John Sinclair</div>
<div>J. Ohn</div>
HTML
$("div:contains('John')").css("text-decoration", "underline");
DEMO