star enigma - fundamentals

///@(?<name>[A-Za-z]+)[^@:!\->]*:(?<population>\d+)[^@:!\->]*!(?<command>[A|D])![^@:!\->]*\->(?<soldier>\d+)/g;

function starEnigma(input) {

    let numberMessages = Number(input.shift());
    let planets = [];
    let patternStar = /[star]/g;

    for (let command of input) {
        let counter = 0;
        let splitArray = command.split("");
        for (let i = 0; i < splitArray.length; i++) {
            let currentChar = splitArray[i].toLowerCase();
            if (currentChar.match(patternStar)) {
                counter++;
            }
        }

        for (let i = 0; i < splitArray.length; i++) {
            let charCode = splitArray[i].charCodeAt(0);
            let result = String.fromCharCode(charCode - counter);
            splitArray[i] = result;
        }

        let finalString = splitArray.join("");
        planets.push(finalString)
    }

    let attackedCount = 0;
    let attackedPlanets = [];
    let destroyedCount = 0;
    let destroyedPlanets = [];
    //let patternPlanetMessage = /@(?<name>[A-Z][a-z]+)[^-@!>\W]*:(?<population>[\d]+)[^-@!>\d]*!(?<command>[AD])![^-@!>]*->(?<soldiers>[\d]+)/g;
    let patternPlanetMessage = /@(?<name>[A-Za-z]+)[^@:!\->]*:(?<population>\d+)[^@:!\->]*!(?<command>[A|D])![^@:!\->]*\->(?<soldier>\d+)/g;

    let planetInfo = patternPlanetMessage.exec(planets);

    while (planetInfo !== null) {
        let name = planetInfo.groups['name'];
        let attackCommand = planetInfo.groups['command'];

        switch (attackCommand) {
            case "A":
                attackedCount++
                attackedPlanets.push(name);
                break;

            case "D":
                destroyedCount++;
                destroyedPlanets.push(name);
                break;
        }

        planetInfo = patternPlanetMessage.exec(planets);
    }

    attackedPlanets.sort((a, b) => a.localeCompare(b));
    destroyedPlanets.sort((a, b) => a.localeCompare(b));

    console.log(`Attacked planets: ${attackedCount}`);
    if (attackedPlanets.length > 0) {
        for (let planet of attackedPlanets) {
            console.log(`-> ${planet}`);
        }
    }
    console.log(`Destroyed planets: ${destroyedCount}`);
    if (destroyedPlanets.length > 0) {
        for (let planet of destroyedPlanets) {
            console.log(`-> ${planet}`);
        }
    }
}