validate {jsonlite} | R Documentation

## Validate JSON

### Description

Test if a string contains valid JSON. Characters vectors will be collapsed into a single string.

### Usage

    validate(txt)

### Arguments

`txt` | JSON string

### Examples

    #Output from toJSON and serializeJSON should pass validation
    myjson <- toJSON(mtcars)
    validate(myjson) #TRUE

    #Something bad happened
    truncated <- substring(myjson, 1, 100)
    validate(truncated) #FALSE

[Package jsonlite version 1.1 Index]