validate function

Validate JSON

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

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