const express = require('express');
const router = express.Router();

function checkPalindrome(str) {
    const clean = String(str).toLowerCase().replace(/[^a-z0-9]/g, '');
    return clean === clean.split('').reverse().join('');
}

router.post('/', (req, res) => {
    const { input } = req.body;
    res.json({ ret: checkPalindrome(input) });
});

router.get('/:string', (req, res) => {
    res.json({ ret: checkPalindrome(req.params.string) });
});

module.exports = router;