Madrid Devs regex challenge. Node version.

challenge.js

const readline = require('readline')
const fs = require('fs')

const rl = readline.createInterface({
  input: fs.createReadStream('muestra_log.txt')
})
const pattern = /(.*?) (.*?) (.*?) \[(.*?)\] "(.*?) (.*?) (.*?)" (\d+?|-) (\d+?|-) "(.*?)" (.*?) "(.*?)" "(.*?)" ([\d\.]+?|-) "(\d*?|-)" "(.*?)"/
let count = 0

rl.on('line', function (line) {
  let matches = pattern.exec(line)

  if (matches) {
    // Do something
  }

  count++
})

rl.on('close', function (line) {
  console.log(`Processed ${count} lines`)
})