using replace() to replace the dollar sing '$' from a string

Firstly see below code:

var givenString = 'This is  a $ample $tring to be $ome Random $egment$ in $ociety'
console.log(givenString.replace(/$/g,"S")

This won’t throw an output as expected i.e This is a Sample String to be Some Random SegmentS in Society

I tried placing the pattern in variable to run it but didn’t worked.

var givenString = 'THis is a $ample $tring'
var pattern = /$/g
console.log(givenString.replace(pattern,"S")

the replace function works for any other functions but won’t work for $ sign and How can I replace it with replace function?

>Solution :

You can use replaceAll or escape the special character

1 – replaceAll

givenString.replaceAll('$', '*')

2 – escaping regex

var givenString = 'THis is a $ample $tring'
var pattern = /\$/g
console.log(givenString.replace(pattern,"S")