palindrome-plus

Check if a given number or string or sentence is Palindrome. Get all possible Palindromes from the given input. Get the longest Palindrome made out of its substring. Get all Lucky Palindromes from the substrings. Get the longest lucky Palindrome.

Usage no npm install needed!

<script type="module">
  import palindromePlus from 'https://cdn.skypack.dev/palindrome-plus';
</script>

README

Palindrome Plus

For any given string,

  • Check if it is Palindrome
  • Get all possible Palindromes from substrings
  • Get the longest Palindrome
  • Get all Lucky Palindromes from substrings (A palindrome sub-string is called lucky if its length is a prime number. Read More...)
  • Get the longest Lucky Palindrome

Usage:

Inside your application npm install --save palindrome-plus

Install mocha to run built-in tests npm test

Require and define input:

let palP = require('palindrome-plus');
let inputString = 'A nut for a jar of tuna';

Get all results as an object

let palindromeResults = palP.getAllResults(inputString);

/* 

Result :: 

{
    'isPalindrome': true,
    'allPalindromes': ['ANUTFORAJAROFTUNA', 'NUTFORAJAROFTUN', ...],
    'longestPalindrome': 'ANUTFORAJAROFTUNA',
    'luckyPalindrome': ['ANUTFORAJAROFTUNA', 'UTFORAJAROFTU', ...],
    'longestLuckyPalindrome': ANUTFORAJAROFTUNA
}

*/

or Get individual results:

let isPalindrome = palP.isPalindrome(inputString); 
// true

let allPalindromes = palP.allPalindromes(inputString); 
// [ 'ANUTFORAJAROFTUNA','NUTFORAJAROFTUN', ...]

let longestPalindrome = palP.longestPalindrome(inputString); 
// ANUTFORAJAROFTUNA

let luckyPalindrome = palP.luckyPalindrome(inputString); 
// [ 'ANUTFORAJAROFTUNA','UTFORAJAROFTU', ...]

let longestLuckyPalindrome = palP.longestLuckyPalindrome(inputString); 
// ANUTFORAJAROFTUNA