function palindromeHunter([length, text]) {
    length = Number(length);

    let tokens = text.split(/[ \t_]+/g);
    let textToProcess = tokens.join("");
    let nonDelimiters = new Set();
    for(let ch of textToProcess) {
        nonDelimiters.add(ch);
    }


    let delimiterRegex = ("[" + Array.from(nonDelimiters).join("") + "]+").replace(/-/g, "\\-");
    let delimiters = text.split(new RegExp(delimiterRegex)).filter(d => d != "");

    for(let i =0; i<textToProcess.length; i++){
        let piece = textToProcess.substr(i,length);
        let validPieceRegex = /^[A-Za-z]+$/;
        let match = null;
        if(match = validPieceRegex.exec(piece)){
            if(match[0].length == length){
                if(match[0] == match[0].split("").reverse().join("")){
                    textToProcess = textToProcess.replace(match[0], "*".repeat(match[0].length));
                }
            }
        }
    }

    let processedText = [];

    for(let token of tokens){
        processedText.push(textToProcess.substr(0, token.length));
        textToProcess = textToProcess.substr(token.length);
    }

    let output = "";
    if(processedText.length > delimiters.length){
        for(let i=0; i<delimiters.length; i++){
            output += processedText[i] + delimiters[i];
        }
        output += processedText[processedText.length - 1];
    } else if (processedText.length < delimiters.length){
        for(let i=0; i<processedText.length; i++){
            output += delimiters[i] + processedText[i];
        }
        output += delimiters[delimiters.length - 1];
    } else {
        for(let i=0; i<delimiters.length; i++){
            if(text[0] == " " || text[0] == "\t" || text[0] == "_") {
                output += delimiters[i] + processedText[i];
            } else {
                output += processedText[i] + delimiters[i];
            }
        }
    }

    console.log(output);
}