10 lines
228 B
JavaScript
10 lines
228 B
JavaScript
const fs = require('fs');
|
|
const input = fs.readFileSync('input.txt', 'utf-8').split('\n');
|
|
|
|
let counter = 0;
|
|
for (let str of input) {
|
|
if (str.match(/(\w{2}).*\1/g) && str.match(/(\w)\w\1/g))
|
|
counter++;
|
|
}
|
|
console.log(counter)
|