I\'m having the this text below:
sdabhikagathara@rediffmail.com, \"assdsdf\" , \"rodnsdfald ferdfnson\"
You don't need jQuery for that; JavaScript itself supports regexes built-in.
Have a look at Regular Expression for more info on using regex with JavaScript.
Other than that, I think you'll find the exact answer to your question somewhere else on Stack Overflow - How to find out emails and names out of a string in javascript