Category: Web function

This function returns TRUE if the argument can be parsed as a JSON object or JSON array. Otherwise, it returns FALSE.

Return value type: Boolean (TRUE/FALSE).

isjson( '{}' )  //Returns TRUE

isjson( 'JSON' )  //Returns FALSE

isjson( 'a:{b:1}' )  //Returns FALSE

isjson( '{a:{b:1}}' )  //Returns TRUE

isjson( '1,"a"' )  //Returns FALSE

isjson( '[1,"a"]' )  //Returns TRUE

• IsEmail(email_addr)
• IsXML(text)