REGEX Javascript

var response = "0.00";
var regularExpression = "" + tag + "([\\s\\S]*?)\\/" + tag + "";
try {
    var status = new RegExp(regularExpression, "gm");
    
    response = status.exec(input)[1];
} catch (e) {
    return "null";
}
if (response.charAt(0)=="-")
{
    return "-" + prefix + response.substring(response.length-1,1);
}
else
{
    return prefix + response;
}

var str = "Hello world, welcome to the universe.";
var reg = new RegExp(/world/gm);
var i = 0;
while ((result = reg.exec(str)) !== null) {
	i=1;
}
return i;

var result = {
        Phone: "",
		Phone2: "",
        MobilePhone : ""
    };

var regex = ".*?<Phone>(.*?)<\/Phone>.*?<Phone2>(.*?)<\/Phone2>.*?<MobilePhone>(.*?)<\/MobilePhone>";
try {
	var status = new RegExp(regex, "gm").exec(input);
	result.Phone = status[1];
	result.Phone2 = status[2];
	result.MobilePhone = status[3];
} catch (e) {
}

return result;