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UrlEncode

The UrlEncode function percent-encodes a given string so that reserved characters properly encoded with ‘%’ and two hexadecimal characters.

This is useful when formatting URLs for use with HttpService/GetAsync/HttpService/PostAsync, or POST data of the media type application/x-www-form-urlencoded (Enum/HttpContentType|Enum.HttpContentType.ApplicationUrlEncoded).

For instance, when you encode the URL:

http://robloxdev.com/api-reference/function/HttpService/UrlEncode

the function returns the string:

http%3A%2F%2Frobloxdev%2Ecom%2Fapi%2Dreference%2Ffunction%2FHttpService%2FUrlEncode

Parameters

Name Type Default Description

The string (URL) to encode

Returns

Return Type Summary

The encoded string


Code Samples


New Pastebin Post

Pastebin.com is a website that allows users to paste text (usually source code) for others to view publicly. This code sample uses HttpService PostAsync and the pastebin web API to automatically create a new public paste on the website. Since pastebin’s API is designed to take data in as a URL encoded string, the code uses a for-loop to turn the dataFields table into a URL encoded string, such as hello=world&foo=bar. This is used as the HTTP POST data.

Test this code by first going to pastebin.com/api#1 and getting an API key (you’ll need a pastebin account to do this). Then, paste your unique developer API key into the field api_dev_key in the code sample’s dataFields table. Fill in any other information about the post you want to make, then run this code in a Script (not a LocalScript). If all goes well, you’ll get a URL to your new paste in the Output window (or some error string from pastebin).


HttpService UrlEncode

This code sample uses UrlEncode to turn a string into a safe, percent-encoded string that can be used in a URL as an argument. Notice how only unreserved characters (letters, numbers and -_.~) are not transformed into percent-encoded equivalents. Characters with accents are also transformed (for example é is transformed into %C3).