findOccOfWordInSentence

function findOccOfWordInSentence ([text,word]) {
    [text, word] = [text, word];
    text = text.toLowerCase ();
    let regex = new RegExp ('\\b' + word + '\\b', 'ig');
    let match = text.match (regex);

    if (match != null) {
        console.log (match.length);
    }
}
findOccOfWordInSentence (
    [
        "How do you plan on achieving that? How? How can you even think of that?",
        "how"

    ]);