JSFiddle - React, Tailwind, and code Playground
JavaScript
data = "[^1] [^2] [^3] word word"
regexMatch = /\[\^(\d*)\]/gm
console.log(data.replace(regexMatch, 'x'))
data = "[^1] [^2] [^3] word word"
regexMatch = /\[\^(\d*)\]/gm
console.log(data.replace(regexMatch, 'x'))