LeetCode - 125. Valid Palindrome

[vitabyfrank]

first Test Case => "0P"
Expected false.

• Question asked in the discussion.

var isPalindrome = function(s) {
    // s = s.replace(/[^a-zA-Z]+/g, " ").toLowerCase().replace(/\s+/g, '');
    // if(s === [...s].reverse().join('')){
    //     return true
    // }
    // return false;
};

/**
 * @param {string} s
 * @return {boolean}
 */

var isPalindrome = function(s) {
     s = s.toLowerCase().replace(/[^a-z0-9]/gi,'');
  for (let i = 0, j = s.length - 1; i <= j; i++, j--) {
    if (s[i] !== s[j]) return false;
  }
  return true;
};