Check for Palindromes created by arrbxr - https://repl.it/@arrbxr/Check-for-Palindromes

Check for Palindromes.js

function palindrome(str){
    // assign a front and back pointer
    let front = 0;
    let back = str.length - 1;
    
    //back and front pointers won't always meet in the middle, so use (back > front)
    while(back > front){
        while(str[front].match(/[\W_]/)){
            //increments front pointer if current character doesn't meet criteria
            front++;
            continue;
        }
        
        while(str[back].match(/[\W_]/)){
            //decrements back pointer if current character doesn't meet criteria
            back--;
            continue;
        }
        //finally does the comparison on the current character
        if(str[front].toLowerCase() !== str[back].toLowerCase())
            return false;
        else
            front++;
            back--;
    }
    //if the whole string has been compared without returning false, it's a palindrome
    return true;
}

palindrome("EYE");