const fs = require('fs'); let output = fs.readFileSync("./out", 'utf-8'); let modinfo = { modName: "" } modinfo.modName = output.match(/(["'])(?:(?=(\\?))\2.)*?\1/, )[0]; modinfo.modName = modinfo.modName.substring(1, modinfo.modName.length - 1) console.log(modinfo.modName);