var str="Foo bar bar end."
var word="bar"
var regex = new RegExp("([\s]|^|>)("+word+")(<|[\s]|$)", "gi");
str=str.replace(regex,' <span class="selected"></span> ');
var str="Foo bar bar end."
var word="bar"
var rvar str="Foo bar bar end."
var word="bar"
var regex = new RegExp("([\s]|^|>)("+word+")(<|[\s]|$)", "gi");
str=str.replace(regex,' <span class="selected"></span> ');
var str="Foo bar bar end."
var word="bar"
var r