isJsonString

Checks if the provided string a valid JSON string

  • Returns: boolean - True if the input string is valid JSON, false otherwise.

  • Parameters: str {string} - The string to validate as a JSON format.

isJsonString('{"name":"John Doe","age":17}'); //true

isJsonString('"name":"John Doe","age":17}'); //false
isJsonString('["apple","grape","ginger"]'); //true

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