To learn more, see our tips on writing great answers. Please tell us what is the problem you encountered so that we can help more. Could you please help me to check any alternate code to check my input string either encoded or not? Find centralized, trusted content and collaborate around the technologies you use most. A more portable way is to use the built-in Buffer: Unfortunately, this decoding function will not complain about non-Base64 characters. Encoding is byte level. As you can see there is an A with grave and another symbol. @BenjaminGruenbaum I came looking for the answer to the OP's question, and didn't like any of the answers. For example, we can check to see if it ends with a It will be a simpler solution. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, To correct some misconceptions in this answer, too: there is no such thing as UTF8 "characters"; as an encoding scheme there are "UTF8 byte sequences", encoding Unicode code points, and these byte sequences can. But getting "true" for "123456", "admin123". How can we compare expressive power between two Turing-complete languages? I have encoded parameters saved, and I need to search for them. If I correctly understood your question, this code may help you. I'm working to integrate some code with a third party, and sometimes a string argument they pass to a Javascript function I'm writing will be encoded using encodeURIComponent, sometimes it won't be. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Maybe someone could shed some light on this. @RobertPitt thanks for your idea, it worked for me. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Why are lights very bright in most passenger trains, especially at night? Any recommendation? The following method will check if any variable is a string (including variables that do not exist). Seems like an issue to be fixed on the server rather than patching it on the front end. Does this change how I list it on my CV? How do I distinguish between chords going 'up' and chords going 'down' when writing a harmony? Test : let url1 = "https://quora.com/unanswered/Im-looking-for-a-Freaks-And-Friends-Fox- Why schnorr signatures uses H(R||m) instead of H(m)? I realize this is an old question, but I am unaware of a better solution. As a string could contain a "normal" percent sign, decodeURIComponent will trigger and error which you can catch. If someone already uses one of these libraries it might be a good idea, but downloading them just for that instead of simply checking the type is an overkill. If myVar is already a string then the if statement is successful. Should i refrigerate or freeze unopened canned food items? How to check whether a string contains a substring in JavaScript? Developers use AI tools, they just dont trust them (Ep. Can you please also point out how these 2 libraries can be helpful in my context. In the final act, how to drop clues without causing players to feel "cheated" they didn't find them sooner? A good task for recursion. this won't work if the url is encoded in the way that a. You recommend underscore.js (for what odd reason?) RTF is a formatting system which works independently of the underlying encoding scheme - you can use RTF with ASCII, UTF-8, UTF-16 and other encodings. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why do most languages use the same token for `EndIf`, `EndWhile`, `EndFunction` and `EndStructure`? So given that your question is written as this: A user can copy RTF text from a program like WordPad and paste it into a HTML