Mirror Words Ivac

function mirrorWords([string = '']) {
    let pattern = /(\#|\@)[A-za-z]{3,}\1{2}[A-Za-z]{3,}\1/g
    let matches = string.match(pattern)
    let mirrorWords = []
    for (let element of (matches || [])) {
        let firstWord = element.slice(1 , element.length / 2 - 1)
        let secondWord = element.slice(element.length / 2  + 1, element.length - 1)
        let reversedSecond = secondWord.split('').reverse().join('')
        if (reversedSecond === firstWord) {
            mirrorWords.push(`${firstWord} <=> ${secondWord}`)
        }
    }

    console.log(`${matches ? matches.length : 'No'} word pairs found!`)
    if (mirrorWords.length > 0) {
        console.log(`The mirror words are:\n${mirrorWords.join(', ')}`)
    } else {
        console.log('No mirror words!')
    }
}