programming-examples/js/Vre2/Validate whether a given value is RegExp or not.js

function is_regexp(value)  
        {  
       return toString.call(value) === '[object RegExp]';  
        }  
  
console.log(is_regexp(/test/));  
  
console.log(is_regexp('bar'));  
  
console.log(is_regexp(72));