I am facing an issue while trying to parse a JSON object. The behavior is unexpected when I attempt to save the following data.
var abc = '[{"id": 2,"result": "MwLYo\x5C/Awp=="}]'
console.log(JSON.parse(abc))
The "result" key's value is not being displayed as expected. How can I fix this code in order to send the correct value to the API?
It should be noted that \x5c represents an ASCII character for \. This means it will be converted when displayed in the console. For more information, you can visit:
\ serves as an escape character in JavaScript; when the code is parsed, \x5C gets interpreted as an ASCII code and gets omitted.
Typically, you can use \\ to avoid this issue. However, due to the double parsing process by JavaScript and then JSON.parse,
You have the option to utilize the unicode representation of \, which is \u005C, along with String.raw.
let abc = String.raw`[{"id": 2,"result": "MwLYo\u005Cx5C/Awp=="}]`;
console.log(JSON.parse(abc)[0].result);let xyz = '[{"id": 2,"result": "MwLYo\x5C/Awp=="}]'
console.log(JSON.parse(xyz))
output
https://i.sstatic.net/icXbD.png
Your approach seems correct. However, parsing "MwLYo\x5C/Awp==" will result in "MwLYo/Awp==". The characters after \ are not being included.
The "\ is an escape character in JS, causing the next character to be removed automatically. To prevent this, avoid using \" in your string.
An alternate solution is to substitute every "backslash" with a forward slash. https://i.sstatic.net/fDkfk.png
It appears that the character \x5C is an ASCII character, so when converted to UTF-8, it becomes \.
const jsonString = '[{"id": 2,"result": "MwLYo\x5C/Awp=="}]'
console.log(JSON.parse(jsonString));I realized this when my regex pattern to detect escape characters was not functioning correctly.
(No \ before) ( \ ) (no \ after)
(?<!\\)(\\)(?!\\)
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