Escape special characters # & ' " in a string in Coldfusion - coldfusion

Question

Following thie topic AngularJS - Special Characters in JSON and Coldfusion Request I have concluded that the problem didn't come from ANGULARJS or my JSON syntax. It's certainly a problem with Coldfusion.
For reminder, I'm trying to use a JSON string for doing an INSERT in a database with ColdFusion. I'm using a function defined in a component for doing that.
My function has the string as argument.
Here an example of the string used:
jsStruct={"LASTNAME":"Nämé","FIRSTN%a£öME":"TestFirstName","PHONENUMBER":48484488,"EMAIL":"tes.test#test.test","COMPANY":"Test & Comp"}
My string is correct and the structure of the JSON is ok.
In my Coldfusion component "component.cfc":
<cffunction name="myfunction" access="remote" returnformat="JSON" output="no">
<cfargument name="jsStruct" type="string" required="true">
<cfset var cfStruct=DeserializeJSON(jsStruct)>
..................
</cffunction>
I obtain this error on the server when I use the string because in my string there is special characters. For instance "COMPANY":"Test & Comp":
JSON parsing failure: Unexpected end of JSON string
The error occurred in ../contacts.cfc: line 267
265 : <cfargument name="jsStruct" type="string" required="true">
266 :
267 : <cfset var cfStruct=DeserializeJSON(jsStruct)>
Could you please help me to solve this problem and prevent (escape) special characters used by ColdFusion and Oracle as &, #, ', " and others?

Answer 1

You say, in error,
My function has the string as argument.
Here an example of the string used:
*jsStruct={"LASTNAME":"Nämé","FIRSTN%a£öME":"TestFirstName","PHONENUMBER":48484488,"EMAIL":"tes.test#test.test","COMPANY":"Test & Comp"}*
You yourself call that a struct, which is correct. It is not a string.
Use something like:
jsonString='{"LASTNAME":"Nämé","FIRSTN%a£öME":"TestFirstName","PHONENUMBER":48484488,"EMAIL":"tes.test#test.test","COMPANY":"Test & Comp"}';