Interview exercises resolved

analizadorLexico.js

@@ -0,0 +1,9 @@
+let cadena = "(79,34)Holaafklndfoi(10asldkfj)(98,902843)lnkjasdlnkfjas(34,56)Bingopingolingo";
+
+let regex = /\((\d+,\d+)\)((?:(?!\(\d+,\d+\)).)*)/g; // 2 groups
+
+let match; // locate each match in regex
+
+while ((match = regex.exec(cadena)) !== null) { // As long as there are matches in the chain
+    console.log("(" + match[1] + ")" + match[2]); // group the matches
+}

analizadorLexico.php

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+<?php
+$cadena = "(79,34)Holaafklndfoi(10asldkfj)(98,902843)lnkjasdlnkfjas(34,56)Bingopingolingo";
+
+$regex = '/\((\d+,\d+)\)((?:(?!\(\d+,\d+\)).)*)/';
+
+preg_match_all($regex, $cadena, $matches, PREG_SET_ORDER);
+
+foreach ($matches as $match) {
+    echo "(" . $match[1] . ")" . $match[2] . "\n";
+}
+?>

capicua.js

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+let number = 48;
+
+function invertNumber(n) {
+    let numberStr = n.toString(); // convert string to number
+    let invertedStr = numberStr.split('').reverse().join(''); // divide string, reverse that string & 'joins' the numbers
+    return parseInt(invertedStr); // convert string to number integer
+}
+
+function isCapicua(n) { // 33
+    let str = n.toString();
+    let invertedStr = str.split('').reverse().join('');
+    return str === invertedStr; // 132 === 231 - false
+}
+
+function findCapicua(num) { // 48
+    let count = 0; // number of iterations
+
+    while (true) {
+        let reversedNum = invertNumber(num); // 48 -> 84
+        let sum = num + reversedNum; // 132
+
+        count++;
+
+        if (isCapicua(sum)) {
+            console.log(sum + " " + count);
+            break;
+        } else {
+            num = sum; // number = 132
+        }
+    }
+}
+
+findCapicua(number);