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Regex to replace only some / characters inside strings

How to get regex with replace method? In my case I've got string which uses char / between.
input:
var string = "cn/" + companyName + "/st/" + state + "/ic/" + incCi + "/pr/" + priority + "/es/" + emplSystem + "/mc/" + mainCategory + "/sc/" + subCategory + "/ty/" + type;
output:
"cn/Nemesis Group/st/2/ic/null/pr/1 - High/es/null/mc/Add/Button/sc/Core/Label/ty/str"
variable mainCategory and subCategory returns string 'Add/Button' and 'Core/Label'
How to replace 'Add/Button' to 'Add%2FButton' and 'Core/Label' to 'Core%2FLabel' without changing any other char?
string.replace("\/", "%2F")
will change all char / to %2F

You can use encodeURIComponent() and decodeURIComponent() to transform this String
Example:
const companyName = "Company",
state = "State",
incCi = "IncCi",
priority = "Priority",
emplSystem = "EmplSystem",
mainCategory = 'Add/Button',
subCategory = 'Core/Label',
type = "Type";
var string = "cn/" + companyName + "/st/" + state + "/ic/" + incCi + "/pr/" + priority + "/es/" + emplSystem +
"/mc/" + encodeURIComponent(mainCategory) +
"/sc/" + encodeURIComponent(subCategory) + "/ty/" + type;
console.log(string)

It sounds to me like you are looking to encode the url. You can use encodeURI in JS to encode a url.
let encodedURL = encodeURI(url);
You can read more about it here.
If you want to encode the string altogether without ignoring any domain related parts, you can us encodeURIComponent()
let encodedURL = encodeURIComponent(url);
You can read more about their differences here.
EDIT:
If you are not encoding a url and you just want to repalce / with %2F only in mainCategory and subCategory then you need to run the regex on the string itself before joining them.
var string = "cn/" + companyName +
"/st/" + state +
"/ic/" + incCi +
"/pr/" + priority +
"/es/" + emplSystem +
"/mc/" + mainCategory.replace("\/", "%2F") +
"/sc/" + subCategory.replace("\/", "%2F") +
"/ty/" + type;

How can i avoid Jquery translate `?` to `%3F`

I have the follwoing Jquery code to open page on button click passing a parameter but ? is translated to %3F is there anyways to fix this?
$("#PrintDocument").click(function () {
var grid = $("#Billings").data("kendoGrid");
var row = $("input:checked", grid.tbody).closest("tr");
var item = grid.dataItem(row);
window.location.pathname = '/invoice/billing/Print' + '?productId=' + item.ProductID + '&' + 'runId=' + item.RunID;
});

You are setting the pathname which does not have a query string.
window.location.href = '/invoice/billing/Print' + '?productId=' + item.ProductID + '&' + 'runId=' + item.RunID;

Ionic 3, encodeURI with firebase

I need to send a http request to firebase that has this shape
https://db.firebaseio.com/0.json?&orderBy="name"&startAt=query&endAt=query+"\uf8ff"&limitToLast=1&print=pretty&auth=auth_token
My problem is that when I call this request I've a 400 error in console because it replace %22 to question marks and other symbols for \uf8ff and I think firebase doesn't recognize that.
let name = '"name"';
let cod = '"\uf8ff"';
let url = ('https://db.firebaseio.com/0.json?&orderBy=' + encodeURIComponent(name) + '&startAt=' + encodeURIComponent(birraName) + '&endAt=' + encodeURIComponent(birraName) + '+' + encodeURIComponent(cod) + '&limitToLast=1&print=pretty&auth=' + encodeURIComponent(this.idToken));
let response = this.http.get(url).map(res => res.json());
return response;
And then in console
400 Bad Request
Do you have any thougths?

You're missing quotes in your target string to mark string values. If you're searching for nodes starting with Marco, it should be https://db.firebaseio.com/0.json?&orderBy="name"&startAt="Marco"&endAt="Marco\uf8ff"&limitToLast=1&print=pretty&auth=auth_token. Note the double quotes around "Marco" and "Marco\uf8ff".
To build these in your JavaScript:
var url = 'https://db.firebaseio.com/0.json';
url = url + '?orderBy="' + encodeURIComponent(name) + '"';
url = url + "&startAt="' + encodeURIComponent(birraName) + '"';
url = url + "&endAt="' + encodeURIComponent(birraName) + '\uf8ff"';
url = url + '&limitToLast=1&print=pretty';
url = url + '&auth="' + encodeURIComponent(this.idToken))+'"";
Template literals might also be useful to keep this readable:
let url = (`https://db.firebaseio.com/0.json?orderBy=${encodeURIComponent(name)}&startAt=${encodeURIComponent(birraName)}&endAt=${encodeURIComponent(birraName)}${encodeURIComponent(cod)}&limitToLast=1&print=pretty&auth=${encodeURIComponent(this.idToken))}`;

Update Laravel pagination in JavaScript

Hi Community Fairly new to Laravel and wanted to know how I would update Laravels Pagination in Javascript. If that is at all possible and how to go about it
This is My Route:
Route::get('/vehicles/search/{make}/{model}/{type}/{yearf}/{yeart}/{minp}/{maxp}', 'VehiclesController#searchVehicle');
My Controller:
public function searchVehicle($make,$model,$type,$yearf,$yeart,$minp,$maxp)
{
$results = Vehicles::where('make', 'LIKE', '%'.$make. '%')->orWhere('model','LIKE', '%'.$model.'%')->paginate(2);
return($results);
}
And my JS:
var strUrl = vehicle_url + "search/" + vmake + "/" + vmodel + "/" + yearfrom + "/" + yearto + "/" + type + "/" + minprice + "/" + maxprice;
var obj = sendRequest(strUrl);
It would be updating my laravel pagination which would be:
{{$all->links}}

Formatting Strings in JavaScript to use as HTML "MAILTO" links

Here are some strings that I'm using to ultimately form a HTML mailto link. I'm doing this in javascript. If I output the mailtoString to an alert() I get the link looks just fine. However, when I put it into the location.href the string is cut short at the "&" character. How do I tell the location.href that the "&" is not the end of the mailto link?
var subject = escape('subject');
var body = escape('body');
var reportUrl = document.URL + "/GetUpdatedTableResults?beginDate=" + beginDate + "&endDate=" + endDate + "&fileId=" + DocId + '&languageCode=' + LangCode + '&documentResultType=' + result + '&result=' + ReportedIssue;
var excelUrl = document.URL + 'CurReport/GetCSVReport?beginDate=' + beginDate + '&endDate=' + endDate + '&fileId=' + DocId + '&languageCode=' + LangCode + '&documentResultType=' + result + '&result=' + ReportedIssue;
var mailtoString = 'mailto:?subject=' + subject + '&body=' + body + '%0A%0AWeb:%0A' + reportUrl + '%0A%0AExcel:%0A' + excelUrl;
location.href = mailtoString;
After running the code above I get the following output.
http://localhost:5050/CurReport/GetUpdatedTableResults?beginDate=0

Because immediately after mailto: should be the email address. ? is a valid email characters but & is not. Anyway, the & should be escaped to &.