Question About Replace Command With Strings

[unix85]

hello

i have a code i want to replace with another text

the code is

please see the attachments

i tryin to replace with the following command

please see the attachments

but can't replace it , because the code have alot of string ' and " so the replace not working with it

how can i replace the code wit all the strings and symbols included ?

note : i put the code and command in attachments because it contain links and i can't post URLs to other sites after you have made 15 posts or more.

thanks