diff --git a/.gitignore b/.gitignore
index 2ea8efb..243a356 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 node_modules/
-RuleParser.production.js
\ No newline at end of file
+RuleParser.production.*
\ No newline at end of file
diff --git a/bin/package.js b/bin/package.js
index 46c4be4..e8e38b6 100644
--- a/bin/package.js
+++ b/bin/package.js
@@ -1,11 +1,34 @@
 const fs = require('fs')
 
+function makeid(length) {
+    let result = '';
+    const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+    const charactersLength = characters.length;
+    let counter = 0;
+    while (counter < length) {
+      result += characters.charAt(Math.floor(Math.random() * charactersLength));
+      counter += 1;
+    }
+    return result;
+}
+
+let replacements = {}
 const ParserRules = require('../src/RuleParser.ebnf.js')
-const rules = JSON.stringify(ParserRules)
+RegExp.prototype.toJSON = function(){
+    // generate a random string:
+    const randomString = makeid(256)
+    replacements[randomString] = this
+    return randomString
+}
+
+let rules = JSON.stringify(ParserRules)
+for(const key in replacements){
+    rules = rules.replace(`"${key}"`, replacements[key].toString())
+}
 
-fs.writeFileSync('src/RuleParser.ebnf.json', rules)
+fs.writeFileSync('src/RuleParser.production.ebnf.js', "module.exports="+rules)
 
 const ruleParserJs = fs.readFileSync('src/RuleParser.js', 'utf8')
-const ruleParserJsFixed = ruleParserJs.replace("require('./RuleParser.ebnf.js')", 'require(\'./RuleParser.ebnf.json\')')
+const ruleParserJsFixed = ruleParserJs.replace("require('./RuleParser.ebnf.js')", 'require(\'./RuleParser.production.ebnf.js\')')
 
 fs.writeFileSync('src/RuleParser.production.js', ruleParserJsFixed)
\ No newline at end of file
diff --git a/src/RuleParser.ebnf.json b/src/RuleParser.ebnf.json
deleted file mode 100644
index 8db0529..0000000
--- a/src/RuleParser.ebnf.json
+++ /dev/null
@@ -1 +0,0 @@
-[{"name":"statement_main","bnf":[["statement","EOF"]]},{"name":"logical_operator","bnf":[["AND"],["OR"]]},{"name":"%statement0","bnf":[["logical_operator","expression"]],"fragment":true},{"name":"statement","bnf":[["expression","%statement0*"]]},{"name":"expression","bnf":[["not_expression"],["standard_expression"],["parenthesis_expression"]]},{"name":"parenthesis_expression","bnf":[["BEGIN_PARENTHESIS","WS*","statement","WS*","END_PARENTHESIS"]]},{"name":"%not_expression1","bnf":[["result"],["parenthesis_expression"]],"fragment":true},{"name":"not_expression","bnf":[["NOT","%not_expression1"]]},{"name":"%%standard_expression23","bnf":[["WS*","eq_approx"]],"fragment":true},{"name":"%%standard_expression24","bnf":[["WS*","basic_rhs"]],"fragment":true},{"name":"%%%standard_expression256","bnf":[["WS+","IS"]],"fragment":true},{"name":"%%standard_expression25","bnf":[["%%%standard_expression256?","WS+","between"]],"fragment":true},{"name":"%standard_expression2","bnf":[["%%standard_expression23"],["%%standard_expression24"],["%%standard_expression25"]],"fragment":true},{"name":"standard_expression","bnf":[["result","%standard_expression2?"]]},{"name":"basic_rhs","bnf":[["operator","WS*","result"]]},{"name":"eq_approx","bnf":[["eq_operator","WS*","\"~\"","WS*","result"]]},{"name":"PLUS","bnf":[["\"+\""]]},{"name":"MINUS","bnf":[["\"-\""]]},{"name":"MULTIPLY","bnf":[["\"*\""]]},{"name":"DIVIDE","bnf":[["\"/\""]]},{"name":"MODULUS","bnf":[["\"%\""]]},{"name":"DEFAULT_VAL","bnf":[["\"??\""]]},{"name":"arithmetic_operator","bnf":[["PLUS"],["MINUS"],["MULTIPLY"],["DIVIDE"],["MODULUS"],["DEFAULT_VAL"]]},{"name":"%arithmetic_result7","bnf":[["arithmetic_result"],["simple_result"]],"fragment":true},{"name":"arithmetic_result","bnf":[["simple_result","WS*","arithmetic_operator","WS*","%arithmetic_result7"]]},{"name":"simple_result","bnf":[["fcall"],["value"]]},{"name":"result","bnf":[["arithmetic_result"],["simple_result"]]},{"name":"value","bnf":[["false"],["true"],["array"],["number_time"],["number"],["number_tod"],["time_period"],["string"]]},{"name":"BEGIN_ARRAY","bnf":[["WS*",{},"WS*"]]},{"name":"BEGIN_OBJECT","bnf":[["WS*",{},"WS*"]]},{"name":"END_ARRAY","bnf":[["WS*",{},"WS*"]]},{"name":"END_OBJECT","bnf":[["WS*",{},"WS*"]]},{"name":"NAME_SEPARATOR","bnf":[["WS*",{},"WS*"]]},{"name":"VALUE_SEPARATOR","bnf":[["WS*",{},"WS*"]]},{"name":"%WS8","bnf":[[{}]]},{"name":"WS","bnf":[["%WS8+"]]},{"name":"operator","bnf":[["GTE"],["LTE"],["GT"],["LT"],["EQ"],["NEQ"]]},{"name":"eq_operator","bnf":[["EQ"],["NEQ"]]},{"name":"BEGIN_ARGUMENT","bnf":[["\"(\""]]},{"name":"END_ARGUMENT","bnf":[["\")\""]]},{"name":"BEGIN_PARENTHESIS","bnf":[["\"(\""]]},{"name":"END_PARENTHESIS","bnf":[["\")\""]]},{"name":"%argument9","bnf":[["\",\"","WS*"]],"fragment":true},{"name":"argument","bnf":[["statement","WS*","%argument9?"]]},{"name":"arguments","bnf":[["argument*"]]},{"name":"%fname10","bnf":[[{}]]},{"name":"fname","bnf":[["%fname10+"]]},{"name":"fcall","bnf":[["fname","WS*","BEGIN_ARGUMENT","arguments?","END_ARGUMENT"]]},{"name":"%%%between_number111213","bnf":[["\"and\""],["\"AND\""]],"fragment":true},{"name":"%%between_number1112","bnf":[["WS+","%%%between_number111213","WS+"]],"fragment":true},{"name":"%%between_number1114","bnf":[["WS*","\"-\"","WS*"]],"fragment":true},{"name":"%between_number11","bnf":[["%%between_number1112"],["%%between_number1114"]],"fragment":true},{"name":"between_number","bnf":[["number","%between_number11","number"]]},{"name":"%%%between_tod151617","bnf":[["\"and\""],["\"AND\""]],"fragment":true},{"name":"%%between_tod1516","bnf":[["WS+","%%%between_tod151617","WS+"]],"fragment":true},{"name":"%between_tod15","bnf":[["%%between_tod1516"]],"fragment":true},{"name":"between_tod","bnf":[["number_tod","%between_tod15","number_tod"]]},{"name":"%between18","bnf":[["\"between\""],["\"BETWEEN\""]],"fragment":true},{"name":"%between19","bnf":[["between_number"],["between_tod"]],"fragment":true},{"name":"between","bnf":[["%between18","WS+","%between19"]]},{"name":"%AND20","bnf":[["WS*","\"&&\"","WS*"]],"fragment":true},{"name":"%%AND2122","bnf":[["\"AND\""],["\"and\""]],"fragment":true},{"name":"%AND21","bnf":[["WS+","%%AND2122","WS+"]],"fragment":true},{"name":"AND","bnf":[["%AND20"],["%AND21"]]},{"name":"%OR23","bnf":[["WS*","\"||\"","WS*"]],"fragment":true},{"name":"%%OR2425","bnf":[["\"OR\""],["\"or\""]],"fragment":true},{"name":"%OR24","bnf":[["WS+","%%OR2425","WS+"]],"fragment":true},{"name":"OR","bnf":[["%OR23"],["%OR24"]]},{"name":"GT","bnf":[["\">\""]]},{"name":"LT","bnf":[["\"<\""]]},{"name":"GTE","bnf":[["\">=\""]]},{"name":"LTE","bnf":[["\"<=\""]]},{"name":"IS","bnf":[["\"is\""],["\"IS\""]]},{"name":"EQ","bnf":[["\"==\""],["\"=\""]]},{"name":"NEQ","bnf":[["\"!=\""]]},{"name":"%NOT26","bnf":[["\"!\"","WS*"]],"fragment":true},{"name":"%NOT27","bnf":[["\"not\"","WS+"]],"fragment":true},{"name":"NOT","bnf":[["%NOT26"],["%NOT27"]]},{"name":"false","bnf":[["\"false\""],["\"FALSE\""]]},{"name":"null","bnf":[["\"null\""],["\"NULL\""]]},{"name":"true","bnf":[["\"true\""],["\"TRUE\""]]},{"name":"%%array2829","bnf":[["VALUE_SEPARATOR","value"]],"fragment":true},{"name":"%array28","bnf":[["value","%%array2829*"]],"fragment":true},{"name":"array","bnf":[["BEGIN_ARRAY","%array28?","END_ARRAY"]]},{"name":"unit","bnf":[["\"seconds\""],["\"second\""],["\"minutes\""],["\"minute\""],["\"min\""],["\"mins\""],["\"min\""],["\"hours\""],["\"hour\""],["\"days\""],["\"day\""],["\"weeks\""],["\"week\""]]},{"name":"%%number3031","bnf":[[{}]]},{"name":"%number30","bnf":[["%%number3031+"]],"fragment":true},{"name":"%%number3233","bnf":[[{}]]},{"name":"%number32","bnf":[["\".\"","%%number3233+"]],"fragment":true},{"name":"%%number3435","bnf":[["\"e\""],["\"E\""]],"fragment":true},{"name":"%%number3436","bnf":[["\"-\""],["\"+\""]],"fragment":true},{"name":"%%%number343738","bnf":[[{}]]},{"name":"%%number3437","bnf":[["\"0\""],[{},"%%%number343738*"]],"fragment":true},{"name":"%number34","bnf":[["%%number3435","%%number3436?","%%number3437"]],"fragment":true},{"name":"number","bnf":[["\"-\"?","%number30","%number32?","%number34?"]]},{"name":"number_time","bnf":[["number","WS+","unit"]]},{"name":"%%number_tod3940","bnf":[[{}]]},{"name":"%number_tod39","bnf":[["%%number_tod3940+"]],"fragment":true},{"name":"%%number_tod4142","bnf":[[{}]]},{"name":"%number_tod41","bnf":[["%%number_tod4142+"]],"fragment":true},{"name":"number_tod","bnf":[["%number_tod39","\":\"","%number_tod41"]]},{"name":"time_period_const","bnf":[["\"today\""]]},{"name":"time_period","bnf":[["time_period_const"],["between"]]},{"name":"%%string4344","bnf":[[{}],[{}],[{}]],"fragment":true},{"name":"%%string4345","bnf":[[{}],[{}],[{}],[{}],[{}],[{}],[{}],[{}],[{},"HEXDIG","HEXDIG","HEXDIG","HEXDIG"]],"fragment":true},{"name":"%string43","bnf":[["%%string4344"],[{},"%%string4345"]],"fragment":true},{"name":"string","bnf":[["'\"'","%string43*","'\"'"]]},{"name":"HEXDIG","bnf":[[{}]]}]
\ No newline at end of file