find-emails-in-string/index.js

Takes a string containing email addresses and returns array of emails in original string

var findEmailsInString = function(){
    return {
        findEmails: function(string){
            var wordArray = string.split(" ");
            var result = [];
            wordArray.forEach(function(word){
                if (word.match(/[@]/) !== null) {
                    if (word[word.length - 1].match(/[,:;.!?]/)) {
                        word = word.slice(0, -1);
                    }

                    if (isValidEmail(word)) {
                        result.push(word);
                    }
                }
            });

            return result;
        }
    };
};

var isValidEmail = function(word) {
    var regex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
    return regex.test(word);
};

module.exports = findEmailsInString().findEmails;