03. Extract Hyperlinks

function solve(input) {
    var haveTag = false;
    var haveHref = false;
    var haveLink = false;
    var linkChar = "";
    var string = "";
    var br = true;
    var end = true;

    for(var i = 0; i < input.length; i++){
        string = string + input[i];
    }

    var result = "";
    for (var i = 0; i < string.length; i++) {
        br = true;
        end = true;
        if (string[i] + string[i + 1] == "<a") {
            while (string[i] != ">" && end) {

                if (string[i] + string[i + 1] + string[i + 2] + string[i + 3] == "href" && string[i - 1] != '"' && string[i -1] != "'") {

                    while (string[i] != ">" && end) {
                        if (string[i] == "=") {
                            while (string[i] != ">" && br && end) {

                                if (string[i] == "'" || string[i] == '"') {
                                    linkChar = string[i];
                                    i++;
                                    while (string[i] != linkChar) {
                                        result = result + string[i];
                                        i++;
                                    }
                                    result = result + "\n";
                                    br = false;
                                }
                                if (string[i] == ">") { end = false }
                                i++;
                            }
                            if (string[i] == ">") { end = false }
                        }
                        if (string[i] == ">") { end = false }
                        i++;
                    }
                }
                i++;
            }


        }
    }

    return result;

}