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escaping doble quotes in asp VBScript Json String

Posted on 2010-08-16
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Last Modified: 2013-11-08
I'm trying to parse a JSON string in asp VBScript. When I try to parse a JSON where one of the values has quotes in it I get an error:

Microsoft JScript runtime  error '800a139e'
Exception thrown and not caught
/json2.min.asp, line 28

json2.min.asp is an include file that is used to parse the JSON into something usable by asp. I've attached that file and my code is below. The error is being caused by the double quotes in Saab: "Sa""a""b. Does anyone know how to get around this? Thanks.


Dim car: Set car = JSON.parse("{""brand"":""Sa""a""b"",""model"":""outback sport"",""year"":2003," & _
                                 """colour"":""green"",""accessories"":[" & _
                                 "{""foglamps"":true},{""abs"":true},{""heatedSeats"":true}]}")

   Response.Write("brand: " & car.brand & "<br/>")                              
   Response.Write("model: " & car.model & "<br/>")                              
   Response.Write("colour: " & car.colour & "<br/>")                              
   Response.Write("has foglamps: " & CStr(car.accessories.get(0).foglamps) & "<br/>")                              

   car.accessories.get(0).foglamps = false
   Response.Write("has foglamps: " & CStr(car.accessories.get(0).foglamps) & "<br/>")                              
   Response.Write("new Json: " & JSON.stringify(car) & "<br/>")

      'Response.write(Cstr(car.responseBatch.Responses(0).SearchResult.SearchResults(1).PostAuthor.DisplayName))

   Set car = Nothing
if(!Array.prototype.get){Array.prototype.get=function(prop){return this[prop];}}"use strict";if(!this.JSON){JSON={};}
(function(){function f(n){return n<10?'0'+n:n;}
if(typeof Date.prototype.toJSON!=='function'){Date.prototype.toJSON=function(key){return isFinite(this.valueOf())?this.getUTCFullYear()+'-'+
f(this.getUTCMonth()+1)+'-'+
f(this.getUTCDate())+'T'+
f(this.getUTCHours())+':'+
f(this.getUTCMinutes())+':'+
f(this.getUTCSeconds())+'Z':null;};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(key){return this.valueOf();};}
var cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'},rep;function quote(string){escapable.lastIndex=0;return escapable.test(string)?'"'+string.replace(escapable,function(a){var c=meta[a];return typeof c==='string'?c:'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4);})+'"':'"'+string+'"';}
function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==='object'&&typeof value.toJSON==='function'){value=value.toJSON(key);}
if(typeof rep==='function'){value=rep.call(holder,key,value);}
switch(typeof value){case'string':return quote(value);case'number':return isFinite(value)?String(value):'null';case'boolean':case'null':return String(value);case'object':if(!value){return'null';}
gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==='[object Array]'){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||'null';}
v=partial.length===0?'[]':gap?'[\n'+gap+
partial.join(',\n'+gap)+'\n'+
mind+']':'['+partial.join(',')+']';gap=mind;return v;}
if(rep&&typeof rep==='object'){length=rep.length;for(i=0;i<length;i+=1){k=rep[i];if(typeof k==='string'){v=str(k,value);if(v){partial.push(quote(k)+(gap?': ':':')+v);}}}}else{for(k in value){if(Object.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?': ':':')+v);}}}}
v=partial.length===0?'{}':gap?'{\n'+gap+partial.join(',\n'+gap)+'\n'+
mind+'}':'{'+partial.join(',')+'}';gap=mind;return v;}}
if(typeof JSON.stringify!=='function'){JSON.stringify=function(value,replacer,space){var i;gap='';indent='';if(typeof space==='number'){for(i=0;i<space;i+=1){indent+=' ';}}else if(typeof space==='string'){indent=space;}
rep=replacer;if(replacer&&typeof replacer!=='function'&&(typeof replacer!=='object'||typeof replacer.length!=='number')){throw new Error('JSON.stringify');}
return str('',{'':value});};}
if(typeof JSON.parse!=='function'){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==='object'){for(k in value){if(Object.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v;}else{delete value[k];}}}}
return reviver.call(holder,key,value);}
cx.lastIndex=0;if(cx.test(text)){text=text.replace(cx,function(a){return'\\u'+
('0000'+a.charCodeAt(0).toString(16)).slice(-4);});}
if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,'@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']').replace(/(?:^|:|,)(?:\s*\[)+/g,''))){j=eval('('+text+')');return typeof reviver==='function'?walk({'':j},''):j;}
throw new SyntaxError('JSON.parse');};}}());

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Question by:elliottbenzle
1 Comment
 
LVL 28

Accepted Solution

by:
chilternPC earned 500 total points
Comment Utility
for single quotes, you need to turn the apostrophe (single quote) into double apostrophe ('').
for a double you need to put another double infront of it.

more infor here:
http://www.bellaonline.com/articles/art9694.asp
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