how to put regex pattern as string in array of object? below code won't work, I think I'm missing some escape string

const arr = [{
  description: "(0-9)",
  pattern: "(?=.*d)",
}]

const result = arr.map(x => new RegExp(x.pattern).test(10));
console.log(result) //expect true

demo https://codesandbox.io/s/javascript-forked-ttuyp?file=/index.js

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