How to check if it's a string or json
134315
How to test if a string is JSON or not?
155510
Check if object is a jQuery object
139268
Retrieving JSON Object Literal from HttpServletRequest
5094
Parse JSON in JavaScript?
25988
How to deserialize a JSON String to Apex
73423
What is the best (idiomatic) way to check the type of a Python variable?
104574
Best way to test if a generic type is a string? (C#)
44807
How to make sure that string is valid JSON using JSON.NET
113528
Javascript object Vs JSON
34585
How to check if a String is numeric in Java
70566
How do I check if an object has a key in JavaScript?
138564
How to convert a JSON requestBody of the RestRequest to a Map of Strings?
126196
How to check if an object is an array?
96317
How to check type of variable in Java?
103098
Why does a JSON element return text when it's not text?
703
What is the best way to test for an empty string with jquery-out-of-the-box?
10610
How can I check if a single character appears in a string?