Question

How to check if string is in json format in Go

Answer 1

package main
 
import (
    "encoding/json"
    "fmt"
)
 
func isJSON(s string) bool {
    var jsonString map[string]interface{}
	
    err := json.Unmarshal([]byte(s), &jsonString)
	
    return  err == nil
}
 
func main() {    
    fmt.Println(isJSON(`Go`)) 
    fmt.Println(isJSON(`{"Programming":"Go"}`)) 
}
 
 
 
/*
run:
 
false
true
 
*/

 

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Answer 2

package main
 
import (
    "encoding/json"
    "fmt"
)
 
func isJSON(s string) bool {
	var jsonString map[string]interface{}
	
    return json.Unmarshal([]byte(s), &jsonString) == nil
}
 
func main() {    
    fmt.Println(isJSON(`Go`)) 
    fmt.Println(isJSON(`{"Programming":"Go"}`)) 
}
 
 
 
 
/*
run:
 
false
true
 
*/

 

70+ SQL courses for beginners and professionals