For order data

bs-parser.js

var data = 'Orders[Count=1, Order [customer=Customer [id=6a665314-44ac-4fd9-af73-ed975fb19018, name=Tarik, givenname=Taaza, birthday=Wed Apr 20 05:12:19 CEST 2016, plz=50933, street=Aachener Str., house=746-750, city=Köln], name=Installation, note=not ready, created=Wed Apr 20 05:12:19 CEST 2016, status=not ready]]'

function ordersJSONize(str) {
  return str
  	//right bracket replacement
  	.replace(/]/g,'}')
  	//left bracket replacement 
  	.replace(/\[/g,'{')
  	// equal sign replacement 
  	.replace(/\b=|!(\s=)/g,':')
    // wrap keys without quote with valid double quote
    .replace(/([\$a-zA-z]+)\s*:/g, function(_, $1){return '"'+$1+'":'})
    // quote data
    .replace(/:([^\{,]*)\,/g, function(_, $1){return ':"'+$1+'",'})   
    // fix status quotes 
    .replace(/("status"):([^\{,]+?)\}/g, function(_, $1, $2){return ''+$1+':"'+$2+'"}'})
    // fix city quotes
    .replace(/("city"):([^\{,]*)\}/g, function(_, $1, $2){return ''+$1+':"'+$2+'"}'})
    //fix double quotes
    .replace(/""/g, '"')
    // place : after Orders
    .replace(/(Order.)/g, function(_, $1){return '"'+$1+'":'})
    //remove Customer 
    .replace(/Customer/g, '')
    .replace(/\}"/g, '}')
}

function docsJSONize(str) {
  return str
  	//right bracket replacement
  	.replace(/]/g,'}')
  	//left bracket replacement 
  	.replace(/\[/g,'{')
  	// equal sign replacement 
  	.replace(/\b=(?!=)|!(\s=)/g,':')
  	//fix data
  	.replace(/data\(Base64\)/g, 'data:')
    // wrap keys without quote with valid double quote
    .replace(/([\$a-zA-z]+)\s*:/g, function(_, $1){return '"'+$1+'":'})
    // quote data
    .replace(/:([^\{,]*)\,/g, function(_, $1){return ':"'+$1+'",'})
    // fix data quotes 
    .replace(/("data"):([^\{,]+?)\}/g, function(_, $1, $2){return ''+$1+':"'+$2+'"}'})
    // fix city quotes
    .replace(/("city"):([^\{,]*)\}/g, function(_, $1, $2){return ''+$1+':"'+$2+'"}'})
    //fix double quotes
    .replace(/""/g, '"')
    // place : after Docs
    .replace(/(Docs)/g, function(_, $1){return '"'+$1+'":'})
    // place : after Document
    .replace(/(Document)/g, function(_, $1){return '"'+$1+'":'})
    //remove Customer 
    .replace(/Customer/g, '')
    .replace(/\}"/g, '}')
    
}

function custJSONize(str) {
  return str
  	//right bracket replacement
  	.replace(/]/g,'}')
  	//left bracket replacement 
  	.replace(/\[/g,'{')
  	// equal sign replacement 
  	.replace(/\b=|!(\s=)/g,':')
    // wrap keys without quote with valid double quote
    .replace(/([\$a-zA-z]+)\s*:/g, function(_, $1){return '"'+$1+'":'})
    // quote data
    .replace(/:([^\{,]*)\,/g, function(_, $1){return ':"'+$1+'",'})   
    // fix status quotes 
    .replace(/("status"):([^\{,]+?)\}/g, function(_, $1, $2){return ''+$1+':"'+$2+'"}'})
    // fix city quotes
    .replace(/("city"):([^\{,]*)\}/g, function(_, $1, $2){return ''+$1+':"'+$2+'"}'})
    //fix double quotes
    .replace(/""/g, '"') 
    .replace(/\}"/g, '}')
    // fix root Customer
    .replace(/(Customer)/g, function(_, $1){return '"'+$1+'":'})
}

run function

var json = JSONize(data);