How to check what kind of different garbage values are in a string

I am basically automating a sms portal. so in the content there are many different kinds of garbage values. i have take care of any blank spaces, garbage around links. But now i have got another garbage value which is around inverted commas(""). I cant get over that using replace with chr(34). I need to see the garage values in the string. How can i do that.

@karan_kapoor1

check as below

IT will remove all the special characters including "

Mark as solution if this helps

Thanks

I know already how to manage with garbage value around ". I asked how can i see these garbage values in text form.