content: x = /*{
   "type": "NewExpression",
   "callee": {
    "type": "Identifier",
    "name": "RegExp"
   },
   "arguments": [
    {
     "type": "StringLiteral",
     "value": "[a-z]"
    },
    {
     "type": "StringLiteral",
     "value": "y"
    }
   ],
   "trailingComments": [],
   "leadingComments": [],
   "innerComments": []
  }*/