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CODE EXAMPLE FOR JAVASCRIPT

Check if a JavaScript string is a URL

function isValidURL(string) {
  var res = string.match(/(http(s)?://.)?(www.)?[-a-zA-Z0-9@:%._+~#=]{2,256}.[a-z]{2,6}([-a-zA-Z0-9@:%_+.~#?&//=]*)/g);
  return (res !== null)
};

var testCase1 = "http://en.wikipedia.org/wiki/Procter_&_Gamble";

alert(isValidURL(testCase1)); 
Source by stackoverflow.com #
 
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Tagged: #Check #JavaScript #string #URL
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