initial upload

2023/day01/example.txt

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+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

2023/day01/index.js

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+import fs from 'node:fs'
+const numberphiles = new Map([
+    ["one", 1],
+    ["two", 2],
+    ["three", 3],
+    ["four", 4],
+    ["five", 5],
+    ["six", 6],
+    ["seven", 7],
+    ["eight", 8],
+    ["nine", 9]
+])
+
+fs.readFile('input.txt', ({ encoding: 'utf-8' }), (err, data) => {
+    const regex1 = /(\d)/gm
+    // let [first, last] = [matches[0], matches[matches.length-1]]
+    const regex = /(?=(one|two|three|four|five|six|seven|eight|nine|\d))/gm
+    let result = 0
+    for (let line of data.split('\n')) {
+        const matches = [...line.matchAll(regex)]
+        let [first, last] = [matches[0][1], matches[matches.length - 1][1]]
+        first = numberphiles.has(first) ? numberphiles.get(first) : first
+        last = numberphiles.has(last) ? numberphiles.get(last) : last
+        result += parseInt(`${first}${last} `)
+    }
+    console.log(result)
+})